26390000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 200

約数和(自身を含む): 81348960

約数和(自身を除く): 54958960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 29, 35, 40, 50, 52, 56, 58, 65, 70, 80, 91, 100, 104, 112, 116, 125, 130, 140, 145, 175, 182, 200, 203, 208, 232, 250, 260, 280, 290, 325, 350, 364, 377, 400, 406, 455, 464, 500, 520, 560, 580, 625, 650, 700, 725, 728, 754, 812, 875, 910, 1000, 1015, 1040, 1160, 1250, 1300, 1400, 1450, 1456, 1508, 1624, 1625, 1750, 1820, 1885, 2000, 2030, 2275, 2320, 2500, 2600, 2639, 2800, 2900, 3016, 3248, 3250, 3500, 3625, 3640, 3770, 4060, 4375, 4550, 5000, 5075, 5200, 5278, 5800, 6032, 6500, 7000, 7250, 7280, 7540, 8120, 8125, 8750, 9100, 9425, 10000, 10150, 10556, 11375, 11600, 13000, 13195, 14000, 14500, 15080, 16240, 16250, 17500, 18125, 18200, 18850, 20300, 21112, 22750, 25375, 26000, 26390, 29000, 30160, 32500, 35000, 36250, 36400, 37700, 40600, 42224, 45500, 47125, 50750, 52780, 56875, 58000, 65000, 65975, 70000, 72500, 75400, 81200, 91000, 94250, 101500, 105560, 113750, 126875, 130000, 131950, 145000, 150800, 182000, 188500, 203000, 211120, 227500, 235625, 253750, 263900, 290000, 329875, 377000, 406000, 455000, 471250, 507500, 527800, 659750, 754000, 910000, 942500, 1015000, 1055600, 1319500, 1649375, 1885000, 2030000, 2639000, 3298750, 3770000, 5278000, 6597500, 13195000, 26390000]

約数ペア:

[(1, 26390000), (2, 13195000), (4, 6597500), (5, 5278000), (7, 3770000), (8, 3298750), (10, 2639000), (13, 2030000), (14, 1885000), (16, 1649375), (20, 1319500), (25, 1055600), (26, 1015000), (28, 942500), (29, 910000), (35, 754000), (40, 659750), (50, 527800), (52, 507500), (56, 471250), (58, 455000), (65, 406000), (70, 377000), (80, 329875), (91, 290000), (100, 263900), (104, 253750), (112, 235625), (116, 227500), (125, 211120), (130, 203000), (140, 188500), (145, 182000), (175, 150800), (182, 145000), (200, 131950), (203, 130000), (208, 126875), (232, 113750), (250, 105560), (260, 101500), (280, 94250), (290, 91000), (325, 81200), (350, 75400), (364, 72500), (377, 70000), (400, 65975), (406, 65000), (455, 58000), (464, 56875), (500, 52780), (520, 50750), (560, 47125), (580, 45500), (625, 42224), (650, 40600), (700, 37700), (725, 36400), (728, 36250), (754, 35000), (812, 32500), (875, 30160), (910, 29000), (1000, 26390), (1015, 26000), (1040, 25375), (1160, 22750), (1250, 21112), (1300, 20300), (1400, 18850), (1450, 18200), (1456, 18125), (1508, 17500), (1624, 16250), (1625, 16240), (1750, 15080), (1820, 14500), (1885, 14000), (2000, 13195), (2030, 13000), (2275, 11600), (2320, 11375), (2500, 10556), (2600, 10150), (2639, 10000), (2800, 9425), (2900, 9100), (3016, 8750), (3248, 8125), (3250, 8120), (3500, 7540), (3625, 7280), (3640, 7250), (3770, 7000), (4060, 6500), (4375, 6032), (4550, 5800), (5000, 5278), (5075, 5200)]