31170040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70841}}^1$

素因数の和:70863

約数の個数: 32

約数和(自身を含む): 76509360

約数和(自身を除く): 45339320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70841, 141682, 283364, 354205, 566728, 708410, 779251, 1416820, 1558502, 2833640, 3117004, 3896255, 6234008, 7792510, 15585020, 31170040]

約数ペア:

[(1, 31170040), (2, 15585020), (4, 7792510), (5, 6234008), (8, 3896255), (10, 3117004), (11, 2833640), (20, 1558502), (22, 1416820), (40, 779251), (44, 708410), (55, 566728), (88, 354205), (110, 283364), (220, 141682), (440, 70841)]