31149340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37987}}^1$

素因数の和:38037

約数の個数: 24

約数和(自身を含む): 67010832

約数和(自身を除く): 35861492

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 37987, 75974, 151948, 189935, 379870, 759740, 1557467, 3114934, 6229868, 7787335, 15574670, 31149340]

約数ペア:

[(1, 31149340), (2, 15574670), (4, 7787335), (5, 6229868), (10, 3114934), (20, 1557467), (41, 759740), (82, 379870), (164, 189935), (205, 151948), (410, 75974), (820, 37987)]