40838480

素因数分解:

$2^4\times 5^1\times {\mathrm{510481}}^1$

素因数の和:510494

約数の個数: 20

約数和(自身を含む): 94949652

約数和(自身を除く): 54111172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510481, 1020962, 2041924, 2552405, 4083848, 5104810, 8167696, 10209620, 20419240, 40838480]

約数ペア:

[(1, 40838480), (2, 20419240), (4, 10209620), (5, 8167696), (8, 5104810), (10, 4083848), (16, 2552405), (20, 2041924), (40, 1020962), (80, 510481)]