664001050

素因数分解:

$2^1\times 5^2\times {\mathrm{13280021}}^1$

素因数の和:13280033

約数の個数: 12

約数和(自身を含む): 1235042046

約数和(自身を除く): 571040996

約数列:

[1, 2, 5, 10, 25, 50, 13280021, 26560042, 66400105, 132800210, 332000525, 664001050]

約数ペア:

[(1, 664001050), (2, 332000525), (5, 132800210), (10, 66400105), (25, 26560042), (50, 13280021)]