12914320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 30321720

約数和(自身を除く): 17407400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1481, 1744, 2180, 2962, 4360, 5924, 7405, 8720, 11848, 14810, 23696, 29620, 59240, 118480, 161429, 322858, 645716, 807145, 1291432, 1614290, 2582864, 3228580, 6457160, 12914320]

約数ペア:

[(1, 12914320), (2, 6457160), (4, 3228580), (5, 2582864), (8, 1614290), (10, 1291432), (16, 807145), (20, 645716), (40, 322858), (80, 161429), (109, 118480), (218, 59240), (436, 29620), (545, 23696), (872, 14810), (1090, 11848), (1481, 8720), (1744, 7405), (2180, 5924), (2962, 4360)]