30963640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5569}}^1$

素因数の和:5719

約数の個数: 32

約数和(自身を含む): 70182000

約数和(自身を除く): 39218360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 5569, 11138, 22276, 27845, 44552, 55690, 111380, 222760, 774091, 1548182, 3096364, 3870455, 6192728, 7740910, 15481820, 30963640]

約数ペア:

[(1, 30963640), (2, 15481820), (4, 7740910), (5, 6192728), (8, 3870455), (10, 3096364), (20, 1548182), (40, 774091), (139, 222760), (278, 111380), (556, 55690), (695, 44552), (1112, 27845), (1390, 22276), (2780, 11138), (5560, 5569)]