1018420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 2303784

約数和(自身を除く): 1285364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3917, 7834, 15668, 19585, 39170, 50921, 78340, 101842, 203684, 254605, 509210, 1018420]

約数ペア:

[(1, 1018420), (2, 509210), (4, 254605), (5, 203684), (10, 101842), (13, 78340), (20, 50921), (26, 39170), (52, 19585), (65, 15668), (130, 7834), (260, 3917)]