40435640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144413}}^1$

素因数の和:144431

約数の個数: 32

約数和(自身を含む): 103978080

約数和(自身を除く): 63542440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144413, 288826, 577652, 722065, 1010891, 1155304, 1444130, 2021782, 2888260, 4043564, 5054455, 5776520, 8087128, 10108910, 20217820, 40435640]

約数ペア:

[(1, 40435640), (2, 20217820), (4, 10108910), (5, 8087128), (7, 5776520), (8, 5054455), (10, 4043564), (14, 2888260), (20, 2021782), (28, 1444130), (35, 1155304), (40, 1010891), (56, 722065), (70, 577652), (140, 288826), (280, 144413)]