2005478905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{953}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 2604648960

約数和(自身を除く): 599170055

約数列:

[1, 5, 23, 29, 115, 145, 631, 667, 953, 3155, 3335, 4765, 14513, 18299, 21919, 27637, 72565, 91495, 109595, 138185, 420877, 601343, 635651, 2104385, 3006715, 3178255, 13830889, 17438947, 69154445, 87194735, 401095781, 2005478905]

約数ペア:

[(1, 2005478905), (5, 401095781), (23, 87194735), (29, 69154445), (115, 17438947), (145, 13830889), (631, 3178255), (667, 3006715), (953, 2104385), (3155, 635651), (3335, 601343), (4765, 420877), (14513, 138185), (18299, 109595), (21919, 91495), (27637, 72565)]