25529440

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 60616080

約数和(自身を除く): 35086640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 421, 758, 842, 1516, 1684, 1895, 2105, 3032, 3368, 3790, 4210, 6064, 6736, 7580, 8420, 12128, 13472, 15160, 16840, 30320, 33680, 60640, 67360, 159559, 319118, 638236, 797795, 1276472, 1595590, 2552944, 3191180, 5105888, 6382360, 12764720, 25529440]

約数ペア:

[(1, 25529440), (2, 12764720), (4, 6382360), (5, 5105888), (8, 3191180), (10, 2552944), (16, 1595590), (20, 1276472), (32, 797795), (40, 638236), (80, 319118), (160, 159559), (379, 67360), (421, 60640), (758, 33680), (842, 30320), (1516, 16840), (1684, 15160), (1895, 13472), (2105, 12128), (3032, 8420), (3368, 7580), (3790, 6736), (4210, 6064)]