64555010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13478

約数の個数: 32

約数和(自身を含む): 128529072

約数和(自身を除く): 63974062

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 13421, 26842, 67105, 134210, 174473, 348946, 496577, 872365, 993154, 1744730, 2482885, 4965770, 6455501, 12911002, 32277505, 64555010]

約数ペア:

[(1, 64555010), (2, 32277505), (5, 12911002), (10, 6455501), (13, 4965770), (26, 2482885), (37, 1744730), (65, 993154), (74, 872365), (130, 496577), (185, 348946), (370, 174473), (481, 134210), (962, 67105), (2405, 26842), (4810, 13421)]