40840472

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{64621}}^1$

素因数の和:64706

約数の個数: 16

約数和(自身を含む): 77546400

約数和(自身を除く): 36705928

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 64621, 129242, 258484, 516968, 5105059, 10210118, 20420236, 40840472]

約数ペア:

[(1, 40840472), (2, 20420236), (4, 10210118), (8, 5105059), (79, 516968), (158, 258484), (316, 129242), (632, 64621)]