28789340

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{3109}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 60607680

約数和(自身を除く): 31818340

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 3109, 4630, 6218, 9260, 12436, 15545, 31090, 62180, 1439467, 2878934, 5757868, 7197335, 14394670, 28789340]

約数ペア:

[(1, 28789340), (2, 14394670), (4, 7197335), (5, 5757868), (10, 2878934), (20, 1439467), (463, 62180), (926, 31090), (1852, 15545), (2315, 12436), (3109, 9260), (4630, 6218)]