40590890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40189}}^1$

素因数の和:40297

約数の個数: 16

約数和(自身を含む): 73788840

約数和(自身を除く): 33197950

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 40189, 80378, 200945, 401890, 4059089, 8118178, 20295445, 40590890]

約数ペア:

[(1, 40590890), (2, 20295445), (5, 8118178), (10, 4059089), (101, 401890), (202, 200945), (505, 80378), (1010, 40189)]