201498320

素因数分解:

$2^4\times 5^1\times {\mathrm{2518729}}^1$

素因数の和:2518742

約数の個数: 20

約数和(自身を含む): 468483780

約数和(自身を除く): 266985460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518729, 5037458, 10074916, 12593645, 20149832, 25187290, 40299664, 50374580, 100749160, 201498320]

約数ペア:

[(1, 201498320), (2, 100749160), (4, 50374580), (5, 40299664), (8, 25187290), (10, 20149832), (16, 12593645), (20, 10074916), (40, 5037458), (80, 2518729)]