870815240

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{40241}}^1$

素因数の和:40793

約数の個数: 32

約数和(自身を含む): 1963004760

約数和(自身を除く): 1092189520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 40241, 80482, 160964, 201205, 321928, 402410, 804820, 1609640, 21770381, 43540762, 87081524, 108851905, 174163048, 217703810, 435407620, 870815240]

約数ペア:

[(1, 870815240), (2, 435407620), (4, 217703810), (5, 174163048), (8, 108851905), (10, 87081524), (20, 43540762), (40, 21770381), (541, 1609640), (1082, 804820), (2164, 402410), (2705, 321928), (4328, 201205), (5410, 160964), (10820, 80482), (21640, 40241)]