40722500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 110214720

約数和(自身を除く): 69492220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 179, 182, 250, 260, 325, 350, 358, 364, 455, 500, 625, 650, 700, 716, 875, 895, 910, 1250, 1253, 1300, 1625, 1750, 1790, 1820, 2275, 2327, 2500, 2506, 3250, 3500, 3580, 4375, 4475, 4550, 4654, 5012, 6265, 6500, 8125, 8750, 8950, 9100, 9308, 11375, 11635, 12530, 16250, 16289, 17500, 17900, 22375, 22750, 23270, 25060, 31325, 32500, 32578, 44750, 45500, 46540, 56875, 58175, 62650, 65156, 81445, 89500, 111875, 113750, 116350, 125300, 156625, 162890, 223750, 227500, 232700, 290875, 313250, 325780, 407225, 447500, 581750, 626500, 783125, 814450, 1163500, 1454375, 1566250, 1628900, 2036125, 2908750, 3132500, 4072250, 5817500, 8144500, 10180625, 20361250, 40722500]

約数ペア:

[(1, 40722500), (2, 20361250), (4, 10180625), (5, 8144500), (7, 5817500), (10, 4072250), (13, 3132500), (14, 2908750), (20, 2036125), (25, 1628900), (26, 1566250), (28, 1454375), (35, 1163500), (50, 814450), (52, 783125), (65, 626500), (70, 581750), (91, 447500), (100, 407225), (125, 325780), (130, 313250), (140, 290875), (175, 232700), (179, 227500), (182, 223750), (250, 162890), (260, 156625), (325, 125300), (350, 116350), (358, 113750), (364, 111875), (455, 89500), (500, 81445), (625, 65156), (650, 62650), (700, 58175), (716, 56875), (875, 46540), (895, 45500), (910, 44750), (1250, 32578), (1253, 32500), (1300, 31325), (1625, 25060), (1750, 23270), (1790, 22750), (1820, 22375), (2275, 17900), (2327, 17500), (2500, 16289), (2506, 16250), (3250, 12530), (3500, 11635), (3580, 11375), (4375, 9308), (4475, 9100), (4550, 8950), (4654, 8750), (5012, 8125), (6265, 6500)]