56866420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218717}}^1$

素因数の和:218739

約数の個数: 24

約数和(自身を含む): 128606184

約数和(自身を除く): 71739764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218717, 437434, 874868, 1093585, 2187170, 2843321, 4374340, 5686642, 11373284, 14216605, 28433210, 56866420]

約数ペア:

[(1, 56866420), (2, 28433210), (4, 14216605), (5, 11373284), (10, 5686642), (13, 4374340), (20, 2843321), (26, 2187170), (52, 1093585), (65, 874868), (130, 437434), (260, 218717)]