201723880

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3943}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 454348800

約数和(自身を除く): 252624920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 3943, 5116, 6395, 7886, 10232, 12790, 15772, 19715, 25580, 31544, 39430, 51160, 78860, 157720, 5043097, 10086194, 20172388, 25215485, 40344776, 50430970, 100861940, 201723880]

約数ペア:

[(1, 201723880), (2, 100861940), (4, 50430970), (5, 40344776), (8, 25215485), (10, 20172388), (20, 10086194), (40, 5043097), (1279, 157720), (2558, 78860), (3943, 51160), (5116, 39430), (6395, 31544), (7886, 25580), (10232, 19715), (12790, 15772)]