61019920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2600

約数の個数: 80

約数和(自身を含む): 159489792

約数和(自身を除く): 98469872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2551, 2990, 4784, 5102, 5980, 10204, 11960, 12755, 20408, 23920, 25510, 33163, 40816, 51020, 58673, 66326, 102040, 117346, 132652, 165815, 204080, 234692, 265304, 293365, 331630, 469384, 530608, 586730, 663260, 762749, 938768, 1173460, 1326520, 1525498, 2346920, 2653040, 3050996, 3813745, 4693840, 6101992, 7627490, 12203984, 15254980, 30509960, 61019920]

約数ペア:

[(1, 61019920), (2, 30509960), (4, 15254980), (5, 12203984), (8, 7627490), (10, 6101992), (13, 4693840), (16, 3813745), (20, 3050996), (23, 2653040), (26, 2346920), (40, 1525498), (46, 1326520), (52, 1173460), (65, 938768), (80, 762749), (92, 663260), (104, 586730), (115, 530608), (130, 469384), (184, 331630), (208, 293365), (230, 265304), (260, 234692), (299, 204080), (368, 165815), (460, 132652), (520, 117346), (598, 102040), (920, 66326), (1040, 58673), (1196, 51020), (1495, 40816), (1840, 33163), (2392, 25510), (2551, 23920), (2990, 20408), (4784, 12755), (5102, 11960), (5980, 10204)]