67600420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8689}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 142342200

約数和(自身を除く): 74741780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 8689, 17378, 34756, 43445, 86890, 173780, 3380021, 6760042, 13520084, 16900105, 33800210, 67600420]

約数ペア:

[(1, 67600420), (2, 33800210), (4, 16900105), (5, 13520084), (10, 6760042), (20, 3380021), (389, 173780), (778, 86890), (1556, 43445), (1945, 34756), (3890, 17378), (7780, 8689)]