40172464

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28211}}^1$

素因数の和:28308

約数の個数: 20

約数和(自身を含む): 78711480

約数和(自身を除く): 38539016

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28211, 56422, 112844, 225688, 451376, 2510779, 5021558, 10043116, 20086232, 40172464]

約数ペア:

[(1, 40172464), (2, 20086232), (4, 10043116), (8, 5021558), (16, 2510779), (89, 451376), (178, 225688), (356, 112844), (712, 56422), (1424, 28211)]