40454416

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28409}}^1$

素因数の和:28506

約数の個数: 20

約数和(自身を含む): 79263900

約数和(自身を除く): 38809484

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28409, 56818, 113636, 227272, 454544, 2528401, 5056802, 10113604, 20227208, 40454416]

約数ペア:

[(1, 40454416), (2, 20227208), (4, 10113604), (8, 5056802), (16, 2528401), (89, 454544), (178, 227272), (356, 113636), (712, 56818), (1424, 28409)]