20210002550

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{571}}^1\times {\mathrm{9697}}^1$

素因数の和:10353

約数の個数: 48

約数和(自身を含む): 38176215792

約数和(自身を除く): 17966213242

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 571, 730, 1142, 1825, 2855, 3650, 5710, 9697, 14275, 19394, 28550, 41683, 48485, 83366, 96970, 208415, 242425, 416830, 484850, 707881, 1042075, 1415762, 2084150, 3539405, 5536987, 7078810, 11073974, 17697025, 27684935, 35394050, 55369870, 138424675, 276849350, 404200051, 808400102, 2021000255, 4042000510, 10105001275, 20210002550]

約数ペア:

[(1, 20210002550), (2, 10105001275), (5, 4042000510), (10, 2021000255), (25, 808400102), (50, 404200051), (73, 276849350), (146, 138424675), (365, 55369870), (571, 35394050), (730, 27684935), (1142, 17697025), (1825, 11073974), (2855, 7078810), (3650, 5536987), (5710, 3539405), (9697, 2084150), (14275, 1415762), (19394, 1042075), (28550, 707881), (41683, 484850), (48485, 416830), (83366, 242425), (96970, 208415)]