201640483216

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{80270893}}^1$

素因数の和:80271058

約数の個数: 20

約数和(自身を含む): 393166838812

約数和(自身を除く): 191526355596

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 80270893, 160541786, 321083572, 642167144, 1284334288, 12602530201, 25205060402, 50410120804, 100820241608, 201640483216]

約数ペア:

[(1, 201640483216), (2, 100820241608), (4, 50410120804), (8, 25205060402), (16, 12602530201), (157, 1284334288), (314, 642167144), (628, 321083572), (1256, 160541786), (2512, 80270893)]