202250320

素因数分解:

$2^4\times 5^1\times {\mathrm{2528129}}^1$

素因数の和:2528142

約数の個数: 20

約数和(自身を含む): 470232180

約数和(自身を除く): 267981860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2528129, 5056258, 10112516, 12640645, 20225032, 25281290, 40450064, 50562580, 101125160, 202250320]

約数ペア:

[(1, 202250320), (2, 101125160), (4, 50562580), (5, 40450064), (8, 25281290), (10, 20225032), (16, 12640645), (20, 10112516), (40, 5056258), (80, 2528129)]