201765680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{24971}}^1$

素因数の和:25085

約数の個数: 40

約数和(自身を含む): 473768784

約数和(自身を除く): 272003104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 24971, 49942, 99884, 124855, 199768, 249710, 399536, 499420, 998840, 1997680, 2522071, 5044142, 10088284, 12610355, 20176568, 25220710, 40353136, 50441420, 100882840, 201765680]

約数ペア:

[(1, 201765680), (2, 100882840), (4, 50441420), (5, 40353136), (8, 25220710), (10, 20176568), (16, 12610355), (20, 10088284), (40, 5044142), (80, 2522071), (101, 1997680), (202, 998840), (404, 499420), (505, 399536), (808, 249710), (1010, 199768), (1616, 124855), (2020, 99884), (4040, 49942), (8080, 24971)]