118520180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{21089}}^1$

素因数の和:21379

約数の個数: 24

約数和(自身を含む): 249789960

約数和(自身を除く): 131269780

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 21089, 42178, 84356, 105445, 210890, 421780, 5926009, 11852018, 23704036, 29630045, 59260090, 118520180]

約数ペア:

[(1, 118520180), (2, 59260090), (4, 29630045), (5, 23704036), (10, 11852018), (20, 5926009), (281, 421780), (562, 210890), (1124, 105445), (1405, 84356), (2810, 42178), (5620, 21089)]