201650320

素因数分解:

$2^4\times 5^1\times {\mathrm{2520629}}^1$

素因数の和:2520642

約数の個数: 20

約数和(自身を含む): 468837180

約数和(自身を除く): 267186860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520629, 5041258, 10082516, 12603145, 20165032, 25206290, 40330064, 50412580, 100825160, 201650320]

約数ペア:

[(1, 201650320), (2, 100825160), (4, 50412580), (5, 40330064), (8, 25206290), (10, 20165032), (16, 12603145), (20, 10082516), (40, 5041258), (80, 2520629)]