2103560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 4847040

約数和(自身を除く): 2743480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1223, 1720, 2446, 4892, 6115, 9784, 12230, 24460, 48920, 52589, 105178, 210356, 262945, 420712, 525890, 1051780, 2103560]

約数ペア:

[(1, 2103560), (2, 1051780), (4, 525890), (5, 420712), (8, 262945), (10, 210356), (20, 105178), (40, 52589), (43, 48920), (86, 24460), (172, 12230), (215, 9784), (344, 6115), (430, 4892), (860, 2446), (1223, 1720)]