129309520

素因数分解:

$2^4\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1487}}^1$

素因数の和:2587

約数の個数: 40

約数和(自身を含む): 301123584

約数和(自身を除く): 171814064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087, 1487, 2174, 2974, 4348, 5435, 5948, 7435, 8696, 10870, 11896, 14870, 17392, 21740, 23792, 29740, 43480, 59480, 86960, 118960, 1616369, 3232738, 6465476, 8081845, 12930952, 16163690, 25861904, 32327380, 64654760, 129309520]

約数ペア:

[(1, 129309520), (2, 64654760), (4, 32327380), (5, 25861904), (8, 16163690), (10, 12930952), (16, 8081845), (20, 6465476), (40, 3232738), (80, 1616369), (1087, 118960), (1487, 86960), (2174, 59480), (2974, 43480), (4348, 29740), (5435, 23792), (5948, 21740), (7435, 17392), (8696, 14870), (10870, 11896)]