70880451640

素因数分解:

$2^3\times 5^1\times {\mathrm{19801}}^1\times {\mathrm{89491}}^1$

素因数の和:109303

約数の個数: 32

約数和(自身を含む): 159490852560

約数和(自身を除く): 88610400920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19801, 39602, 79204, 89491, 99005, 158408, 178982, 198010, 357964, 396020, 447455, 715928, 792040, 894910, 1789820, 3579640, 1772011291, 3544022582, 7088045164, 8860056455, 14176090328, 17720112910, 35440225820, 70880451640]

約数ペア:

[(1, 70880451640), (2, 35440225820), (4, 17720112910), (5, 14176090328), (8, 8860056455), (10, 7088045164), (20, 3544022582), (40, 1772011291), (19801, 3579640), (39602, 1789820), (79204, 894910), (89491, 792040), (99005, 715928), (158408, 447455), (178982, 396020), (198010, 357964)]