71623240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137737}}^1$

素因数の和:137761

約数の個数: 32

約数和(自身を含む): 173549880

約数和(自身を除く): 101926640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137737, 275474, 550948, 688685, 1101896, 1377370, 1790581, 2754740, 3581162, 5509480, 7162324, 8952905, 14324648, 17905810, 35811620, 71623240]

約数ペア:

[(1, 71623240), (2, 35811620), (4, 17905810), (5, 14324648), (8, 8952905), (10, 7162324), (13, 5509480), (20, 3581162), (26, 2754740), (40, 1790581), (52, 1377370), (65, 1101896), (104, 688685), (130, 550948), (260, 275474), (520, 137737)]