2912565020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1336039}}^1$

素因数の和:1336157

約数の個数: 24

約数和(自身を含む): 6172504800

約数和(自身を除く): 3259939780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 1336039, 2672078, 5344156, 6680195, 13360390, 26720780, 145628251, 291256502, 582513004, 728141255, 1456282510, 2912565020]

約数ペア:

[(1, 2912565020), (2, 1456282510), (4, 728141255), (5, 582513004), (10, 291256502), (20, 145628251), (109, 26720780), (218, 13360390), (436, 6680195), (545, 5344156), (1090, 2672078), (2180, 1336039)]