123238480

素因数分解:

$2^4\times 5^1\times {\mathrm{1540481}}^1$

素因数の和:1540494

約数の個数: 20

約数和(自身を含む): 286529652

約数和(自身を除く): 163291172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1540481, 3080962, 6161924, 7702405, 12323848, 15404810, 24647696, 30809620, 61619240, 123238480]

約数ペア:

[(1, 123238480), (2, 61619240), (4, 30809620), (5, 24647696), (8, 15404810), (10, 12323848), (16, 7702405), (20, 6161924), (40, 3080962), (80, 1540481)]