80437072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{218579}}^1$

素因数の和:218610

約数の個数: 20

約数和(自身を含む): 162623520

約数和(自身を除く): 82186448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 218579, 437158, 874316, 1748632, 3497264, 5027317, 10054634, 20109268, 40218536, 80437072]

約数ペア:

[(1, 80437072), (2, 40218536), (4, 20109268), (8, 10054634), (16, 5027317), (23, 3497264), (46, 1748632), (92, 874316), (184, 437158), (368, 218579)]