67730420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31069}}^1$

素因数の和:31187

約数の個数: 24

約数和(自身を含む): 143543400

約数和(自身を除く): 75812980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31069, 62138, 124276, 155345, 310690, 621380, 3386521, 6773042, 13546084, 16932605, 33865210, 67730420]

約数ペア:

[(1, 67730420), (2, 33865210), (4, 16932605), (5, 13546084), (10, 6773042), (20, 3386521), (109, 621380), (218, 310690), (436, 155345), (545, 124276), (1090, 62138), (2180, 31069)]