128610200

素因数分解:

$2^3\times 5^2\times {\mathrm{643051}}^1$

素因数の和:643067

約数の個数: 24

約数和(自身を含む): 299019180

約数和(自身を除く): 170408980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 643051, 1286102, 2572204, 3215255, 5144408, 6430510, 12861020, 16076275, 25722040, 32152550, 64305100, 128610200]

約数ペア:

[(1, 128610200), (2, 64305100), (4, 32152550), (5, 25722040), (8, 16076275), (10, 12861020), (20, 6430510), (25, 5144408), (40, 3215255), (50, 2572204), (100, 1286102), (200, 643051)]