402902020

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{48079}}^1$

素因数の和:48507

約数の個数: 24

約数和(自身を含む): 848131200

約数和(自身を除く): 445229180

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 48079, 96158, 192316, 240395, 480790, 961580, 20145101, 40290202, 80580404, 100725505, 201451010, 402902020]

約数ペア:

[(1, 402902020), (2, 201451010), (4, 100725505), (5, 80580404), (10, 40290202), (20, 20145101), (419, 961580), (838, 480790), (1676, 240395), (2095, 192316), (4190, 96158), (8380, 48079)]