22227560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12923}}^1$

素因数の和:12977

約数の個数: 32

約数和(自身を含む): 51179040

約数和(自身を除く): 28951480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12923, 25846, 51692, 64615, 103384, 129230, 258460, 516920, 555689, 1111378, 2222756, 2778445, 4445512, 5556890, 11113780, 22227560]

約数ペア:

[(1, 22227560), (2, 11113780), (4, 5556890), (5, 4445512), (8, 2778445), (10, 2222756), (20, 1111378), (40, 555689), (43, 516920), (86, 258460), (172, 129230), (215, 103384), (344, 64615), (430, 51692), (860, 25846), (1720, 12923)]