415804780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{507079}}^1$

素因数の和:507129

約数の個数: 24

約数和(自身を含む): 894489120

約数和(自身を除く): 478684340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 507079, 1014158, 2028316, 2535395, 5070790, 10141580, 20790239, 41580478, 83160956, 103951195, 207902390, 415804780]

約数ペア:

[(1, 415804780), (2, 207902390), (4, 103951195), (5, 83160956), (10, 41580478), (20, 20790239), (41, 10141580), (82, 5070790), (164, 2535395), (205, 2028316), (410, 1014158), (820, 507079)]