417430180

素因数分解:

$2^2\times 5^1\times {\mathrm{20871509}}^1$

素因数の和:20871518

約数の個数: 12

約数和(自身を含む): 876603420

約数和(自身を除く): 459173240

約数列:

[1, 2, 4, 5, 10, 20, 20871509, 41743018, 83486036, 104357545, 208715090, 417430180]

約数ペア:

[(1, 417430180), (2, 208715090), (4, 104357545), (5, 83486036), (10, 41743018), (20, 20871509)]