12418640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11941}}^1$

素因数の和:11967

約数の個数: 40

約数和(自身を含む): 31096968

約数和(自身を除く): 18678328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11941, 23882, 47764, 59705, 95528, 119410, 155233, 191056, 238820, 310466, 477640, 620932, 776165, 955280, 1241864, 1552330, 2483728, 3104660, 6209320, 12418640]

約数ペア:

[(1, 12418640), (2, 6209320), (4, 3104660), (5, 2483728), (8, 1552330), (10, 1241864), (13, 955280), (16, 776165), (20, 620932), (26, 477640), (40, 310466), (52, 238820), (65, 191056), (80, 155233), (104, 119410), (130, 95528), (208, 59705), (260, 47764), (520, 23882), (1040, 11941)]