6478420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24917}}^1$

素因数の和:24939

約数の個数: 24

約数和(自身を含む): 14651784

約数和(自身を除く): 8173364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 24917, 49834, 99668, 124585, 249170, 323921, 498340, 647842, 1295684, 1619605, 3239210, 6478420]

約数ペア:

[(1, 6478420), (2, 3239210), (4, 1619605), (5, 1295684), (10, 647842), (13, 498340), (20, 323921), (26, 249170), (52, 124585), (65, 99668), (130, 49834), (260, 24917)]