2528661890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{630589}}^1$

素因数の和:630997

約数の個数: 16

約数和(自身を含む): 4562949240

約数和(自身を除く): 2034287350

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 630589, 1261178, 3152945, 6305890, 252866189, 505732378, 1264330945, 2528661890]

約数ペア:

[(1, 2528661890), (2, 1264330945), (5, 505732378), (10, 252866189), (401, 6305890), (802, 3152945), (2005, 1261178), (4010, 630589)]