65975000

素因数分解:

$2^3\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 196862400

約数和(自身を除く): 130887400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 29, 35, 40, 50, 52, 56, 58, 65, 70, 91, 100, 104, 116, 125, 130, 140, 145, 175, 182, 200, 203, 232, 250, 260, 280, 290, 325, 350, 364, 377, 406, 455, 500, 520, 580, 625, 650, 700, 725, 728, 754, 812, 875, 910, 1000, 1015, 1160, 1250, 1300, 1400, 1450, 1508, 1624, 1625, 1750, 1820, 1885, 2030, 2275, 2500, 2600, 2639, 2900, 3016, 3125, 3250, 3500, 3625, 3640, 3770, 4060, 4375, 4550, 5000, 5075, 5278, 5800, 6250, 6500, 7000, 7250, 7540, 8120, 8125, 8750, 9100, 9425, 10150, 10556, 11375, 12500, 13000, 13195, 14500, 15080, 16250, 17500, 18125, 18200, 18850, 20300, 21112, 21875, 22750, 25000, 25375, 26390, 29000, 32500, 35000, 36250, 37700, 40600, 40625, 43750, 45500, 47125, 50750, 52780, 56875, 65000, 65975, 72500, 75400, 81250, 87500, 90625, 91000, 94250, 101500, 105560, 113750, 126875, 131950, 145000, 162500, 175000, 181250, 188500, 203000, 227500, 235625, 253750, 263900, 284375, 325000, 329875, 362500, 377000, 455000, 471250, 507500, 527800, 568750, 634375, 659750, 725000, 942500, 1015000, 1137500, 1178125, 1268750, 1319500, 1649375, 1885000, 2275000, 2356250, 2537500, 2639000, 3298750, 4712500, 5075000, 6597500, 8246875, 9425000, 13195000, 16493750, 32987500, 65975000]

約数ペア:

[(1, 65975000), (2, 32987500), (4, 16493750), (5, 13195000), (7, 9425000), (8, 8246875), (10, 6597500), (13, 5075000), (14, 4712500), (20, 3298750), (25, 2639000), (26, 2537500), (28, 2356250), (29, 2275000), (35, 1885000), (40, 1649375), (50, 1319500), (52, 1268750), (56, 1178125), (58, 1137500), (65, 1015000), (70, 942500), (91, 725000), (100, 659750), (104, 634375), (116, 568750), (125, 527800), (130, 507500), (140, 471250), (145, 455000), (175, 377000), (182, 362500), (200, 329875), (203, 325000), (232, 284375), (250, 263900), (260, 253750), (280, 235625), (290, 227500), (325, 203000), (350, 188500), (364, 181250), (377, 175000), (406, 162500), (455, 145000), (500, 131950), (520, 126875), (580, 113750), (625, 105560), (650, 101500), (700, 94250), (725, 91000), (728, 90625), (754, 87500), (812, 81250), (875, 75400), (910, 72500), (1000, 65975), (1015, 65000), (1160, 56875), (1250, 52780), (1300, 50750), (1400, 47125), (1450, 45500), (1508, 43750), (1624, 40625), (1625, 40600), (1750, 37700), (1820, 36250), (1885, 35000), (2030, 32500), (2275, 29000), (2500, 26390), (2600, 25375), (2639, 25000), (2900, 22750), (3016, 21875), (3125, 21112), (3250, 20300), (3500, 18850), (3625, 18200), (3640, 18125), (3770, 17500), (4060, 16250), (4375, 15080), (4550, 14500), (5000, 13195), (5075, 13000), (5278, 12500), (5800, 11375), (6250, 10556), (6500, 10150), (7000, 9425), (7250, 9100), (7540, 8750), (8120, 8125)]