158179640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{96451}}^1$

素因数の和:96503

約数の個数: 32

約数和(自身を含む): 364588560

約数和(自身を除く): 206408920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 96451, 192902, 385804, 482255, 771608, 964510, 1929020, 3858040, 3954491, 7908982, 15817964, 19772455, 31635928, 39544910, 79089820, 158179640]

約数ペア:

[(1, 158179640), (2, 79089820), (4, 39544910), (5, 31635928), (8, 19772455), (10, 15817964), (20, 7908982), (40, 3954491), (41, 3858040), (82, 1929020), (164, 964510), (205, 771608), (328, 482255), (410, 385804), (820, 192902), (1640, 96451)]