67318420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258917}}^1$

素因数の和:258939

約数の個数: 24

約数和(自身を含む): 152243784

約数和(自身を除く): 84925364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258917, 517834, 1035668, 1294585, 2589170, 3365921, 5178340, 6731842, 13463684, 16829605, 33659210, 67318420]

約数ペア:

[(1, 67318420), (2, 33659210), (4, 16829605), (5, 13463684), (10, 6731842), (13, 5178340), (20, 3365921), (26, 2589170), (52, 1294585), (65, 1035668), (130, 517834), (260, 258917)]