42115580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161983}}^1$

素因数の和:162005

約数の個数: 24

約数和(自身を含む): 95246592

約数和(自身を除く): 53131012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161983, 323966, 647932, 809915, 1619830, 2105779, 3239660, 4211558, 8423116, 10528895, 21057790, 42115580]

約数ペア:

[(1, 42115580), (2, 21057790), (4, 10528895), (5, 8423116), (10, 4211558), (13, 3239660), (20, 2105779), (26, 1619830), (52, 809915), (65, 647932), (130, 323966), (260, 161983)]