80931890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1009}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 157293360

約数和(自身を除く): 76361470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 617, 1009, 1234, 2018, 3085, 5045, 6170, 8021, 10090, 13117, 16042, 26234, 40105, 65585, 80210, 131170, 622553, 1245106, 3112765, 6225530, 8093189, 16186378, 40465945, 80931890]

約数ペア:

[(1, 80931890), (2, 40465945), (5, 16186378), (10, 8093189), (13, 6225530), (26, 3112765), (65, 1245106), (130, 622553), (617, 131170), (1009, 80210), (1234, 65585), (2018, 40105), (3085, 26234), (5045, 16042), (6170, 13117), (8021, 10090)]