12912140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5923}}^1$

素因数の和:6041

約数の個数: 24

約数和(自身を含む): 27368880

約数和(自身を除く): 14456740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5923, 11846, 23692, 29615, 59230, 118460, 645607, 1291214, 2582428, 3228035, 6456070, 12912140]

約数ペア:

[(1, 12912140), (2, 6456070), (4, 3228035), (5, 2582428), (10, 1291214), (20, 645607), (109, 118460), (218, 59230), (436, 29615), (545, 23692), (1090, 11846), (2180, 5923)]