31208680

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5167}}^1$

素因数の和:5329

約数の個数: 32

約数和(自身を含む): 70698240

約数和(自身を除く): 39489560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 5167, 6040, 10334, 20668, 25835, 41336, 51670, 103340, 206680, 780217, 1560434, 3120868, 3901085, 6241736, 7802170, 15604340, 31208680]

約数ペア:

[(1, 31208680), (2, 15604340), (4, 7802170), (5, 6241736), (8, 3901085), (10, 3120868), (20, 1560434), (40, 780217), (151, 206680), (302, 103340), (604, 51670), (755, 41336), (1208, 25835), (1510, 20668), (3020, 10334), (5167, 6040)]