42962120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7727}}^1$

素因数の和:7877

約数の個数: 32

約数和(自身を含む): 97372800

約数和(自身を除く): 54410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7727, 15454, 30908, 38635, 61816, 77270, 154540, 309080, 1074053, 2148106, 4296212, 5370265, 8592424, 10740530, 21481060, 42962120]

約数ペア:

[(1, 42962120), (2, 21481060), (4, 10740530), (5, 8592424), (8, 5370265), (10, 4296212), (20, 2148106), (40, 1074053), (139, 309080), (278, 154540), (556, 77270), (695, 61816), (1112, 38635), (1390, 30908), (2780, 15454), (5560, 7727)]