4207120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 10017216

約数和(自身を除く): 5810096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1223, 1720, 2446, 3440, 4892, 6115, 9784, 12230, 19568, 24460, 48920, 52589, 97840, 105178, 210356, 262945, 420712, 525890, 841424, 1051780, 2103560, 4207120]

約数ペア:

[(1, 4207120), (2, 2103560), (4, 1051780), (5, 841424), (8, 525890), (10, 420712), (16, 262945), (20, 210356), (40, 105178), (43, 97840), (80, 52589), (86, 48920), (172, 24460), (215, 19568), (344, 12230), (430, 9784), (688, 6115), (860, 4892), (1223, 3440), (1720, 2446)]