38390890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35221}}^1$

素因数の和:35337

約数の個数: 16

約数和(自身を含む): 69739560

約数和(自身を除く): 31348670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 35221, 70442, 176105, 352210, 3839089, 7678178, 19195445, 38390890]

約数ペア:

[(1, 38390890), (2, 19195445), (5, 7678178), (10, 3839089), (109, 352210), (218, 176105), (545, 70442), (1090, 35221)]