12818480

素因数分解:

$2^4\times 5^1\times {\mathrm{160231}}^1$

素因数の和:160244

約数の個数: 20

約数和(自身を含む): 29803152

約数和(自身を除く): 16984672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160231, 320462, 640924, 801155, 1281848, 1602310, 2563696, 3204620, 6409240, 12818480]

約数ペア:

[(1, 12818480), (2, 6409240), (4, 3204620), (5, 2563696), (8, 1602310), (10, 1281848), (16, 801155), (20, 640924), (40, 320462), (80, 160231)]