12764720

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 29826960

約数和(自身を除く): 17062240

約数列:

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

約数ペア:

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