129612100

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{3169}}^1$

素因数の和:3592

約数の個数: 36

約数和(自身を含む): 282034900

約数和(自身を除く): 152422800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1636, 2045, 3169, 4090, 6338, 8180, 10225, 12676, 15845, 20450, 31690, 40900, 63380, 79225, 158450, 316900, 1296121, 2592242, 5184484, 6480605, 12961210, 25922420, 32403025, 64806050, 129612100]

約数ペア:

[(1, 129612100), (2, 64806050), (4, 32403025), (5, 25922420), (10, 12961210), (20, 6480605), (25, 5184484), (50, 2592242), (100, 1296121), (409, 316900), (818, 158450), (1636, 79225), (2045, 63380), (3169, 40900), (4090, 31690), (6338, 20450), (8180, 15845), (10225, 12676)]