56554420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217517}}^1$

素因数の和:217539

約数の個数: 24

約数和(自身を含む): 127900584

約数和(自身を除く): 71346164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217517, 435034, 870068, 1087585, 2175170, 2827721, 4350340, 5655442, 11310884, 14138605, 28277210, 56554420]

約数ペア:

[(1, 56554420), (2, 28277210), (4, 14138605), (5, 11310884), (10, 5655442), (13, 4350340), (20, 2827721), (26, 2175170), (52, 1087585), (65, 870068), (130, 435034), (260, 217517)]