249650320

素因数分解:

$2^4\times 5^1\times {\mathrm{3120629}}^1$

素因数の和:3120642

約数の個数: 20

約数和(自身を含む): 580437180

約数和(自身を除く): 330786860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3120629, 6241258, 12482516, 15603145, 24965032, 31206290, 49930064, 62412580, 124825160, 249650320]

約数ペア:

[(1, 249650320), (2, 124825160), (4, 62412580), (5, 49930064), (8, 31206290), (10, 24965032), (16, 15603145), (20, 12482516), (40, 6241258), (80, 3120629)]