127541560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44909}}^1$

素因数の和:44991

約数の個数: 32

約数和(自身を含む): 291016800

約数和(自身を除く): 163475240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 44909, 89818, 179636, 224545, 359272, 449090, 898180, 1796360, 3188539, 6377078, 12754156, 15942695, 25508312, 31885390, 63770780, 127541560]

約数ペア:

[(1, 127541560), (2, 63770780), (4, 31885390), (5, 25508312), (8, 15942695), (10, 12754156), (20, 6377078), (40, 3188539), (71, 1796360), (142, 898180), (284, 449090), (355, 359272), (568, 224545), (710, 179636), (1420, 89818), (2840, 44909)]