40080386

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1374

約数の個数: 24

約数和(自身を含む): 64977264

約数和(自身を除く): 24896878

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1291, 1634, 2582, 15523, 24529, 31046, 49058, 55513, 111026, 466051, 932102, 1054747, 2109494, 20040193, 40080386]

約数ペア:

[(1, 40080386), (2, 20040193), (19, 2109494), (38, 1054747), (43, 932102), (86, 466051), (361, 111026), (722, 55513), (817, 49058), (1291, 31046), (1634, 24529), (2582, 15523)]