12950480

素因数分解:

$2^4\times 5^1\times {\mathrm{161881}}^1$

素因数の和:161894

約数の個数: 20

約数和(自身を含む): 30110052

約数和(自身を除く): 17159572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161881, 323762, 647524, 809405, 1295048, 1618810, 2590096, 3237620, 6475240, 12950480]

約数ペア:

[(1, 12950480), (2, 6475240), (4, 3237620), (5, 2590096), (8, 1618810), (10, 1295048), (16, 809405), (20, 647524), (40, 323762), (80, 161881)]