90420905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{8423}}^1$

素因数の和:8560

約数の個数: 16

約数和(自身を含む): 115240320

約数和(自身を除く): 24819415

約数列:

[1, 5, 19, 95, 113, 565, 2147, 8423, 10735, 42115, 160037, 800185, 951799, 4758995, 18084181, 90420905]

約数ペア:

[(1, 90420905), (5, 18084181), (19, 4758995), (95, 951799), (113, 800185), (565, 160037), (2147, 42115), (8423, 10735)]