201354320

素因数分解:

$2^4\times 5^1\times {\mathrm{2516929}}^1$

素因数の和:2516942

約数の個数: 20

約数和(自身を含む): 468148980

約数和(自身を除く): 266794660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2516929, 5033858, 10067716, 12584645, 20135432, 25169290, 40270864, 50338580, 100677160, 201354320]

約数ペア:

[(1, 201354320), (2, 100677160), (4, 50338580), (5, 40270864), (8, 25169290), (10, 20135432), (16, 12584645), (20, 10067716), (40, 5033858), (80, 2516929)]