40627600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 90

約数和(自身を含む): 105869526

約数和(自身を除く): 65241926

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 601, 650, 676, 845, 1040, 1202, 1300, 1352, 1690, 2404, 2600, 2704, 3005, 3380, 4225, 4808, 5200, 6010, 6760, 7813, 8450, 9616, 12020, 13520, 15025, 15626, 16900, 24040, 30050, 31252, 33800, 39065, 48080, 60100, 62504, 67600, 78130, 101569, 120200, 125008, 156260, 195325, 203138, 240400, 312520, 390650, 406276, 507845, 625040, 781300, 812552, 1015690, 1562600, 1625104, 2031380, 2539225, 3125200, 4062760, 5078450, 8125520, 10156900, 20313800, 40627600]

約数ペア:

[(1, 40627600), (2, 20313800), (4, 10156900), (5, 8125520), (8, 5078450), (10, 4062760), (13, 3125200), (16, 2539225), (20, 2031380), (25, 1625104), (26, 1562600), (40, 1015690), (50, 812552), (52, 781300), (65, 625040), (80, 507845), (100, 406276), (104, 390650), (130, 312520), (169, 240400), (200, 203138), (208, 195325), (260, 156260), (325, 125008), (338, 120200), (400, 101569), (520, 78130), (601, 67600), (650, 62504), (676, 60100), (845, 48080), (1040, 39065), (1202, 33800), (1300, 31252), (1352, 30050), (1690, 24040), (2404, 16900), (2600, 15626), (2704, 15025), (3005, 13520), (3380, 12020), (4225, 9616), (4808, 8450), (5200, 7813), (6010, 6760)]