125078480

素因数分解:

$2^4\times 5^1\times {\mathrm{1563481}}^1$

素因数の和:1563494

約数の個数: 20

約数和(自身を含む): 290807652

約数和(自身を除く): 165729172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1563481, 3126962, 6253924, 7817405, 12507848, 15634810, 25015696, 31269620, 62539240, 125078480]

約数ペア:

[(1, 125078480), (2, 62539240), (4, 31269620), (5, 25015696), (8, 15634810), (10, 12507848), (16, 7817405), (20, 6253924), (40, 3126962), (80, 1563481)]