98939920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17419}}^1$

素因数の和:17503

約数の個数: 40

約数和(自身を含む): 233288640

約数和(自身を除く): 134348720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 17419, 34838, 69676, 87095, 139352, 174190, 278704, 348380, 696760, 1236749, 1393520, 2473498, 4946996, 6183745, 9893992, 12367490, 19787984, 24734980, 49469960, 98939920]

約数ペア:

[(1, 98939920), (2, 49469960), (4, 24734980), (5, 19787984), (8, 12367490), (10, 9893992), (16, 6183745), (20, 4946996), (40, 2473498), (71, 1393520), (80, 1236749), (142, 696760), (284, 348380), (355, 278704), (568, 174190), (710, 139352), (1136, 87095), (1420, 69676), (2840, 34838), (5680, 17419)]