8153660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 18480000

約数和(自身を除く): 10326340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 499, 817, 860, 998, 1634, 1996, 2495, 3268, 4085, 4990, 8170, 9481, 9980, 16340, 18962, 21457, 37924, 42914, 47405, 85828, 94810, 107285, 189620, 214570, 407683, 429140, 815366, 1630732, 2038415, 4076830, 8153660]

約数ペア:

[(1, 8153660), (2, 4076830), (4, 2038415), (5, 1630732), (10, 815366), (19, 429140), (20, 407683), (38, 214570), (43, 189620), (76, 107285), (86, 94810), (95, 85828), (172, 47405), (190, 42914), (215, 37924), (380, 21457), (430, 18962), (499, 16340), (817, 9980), (860, 9481), (998, 8170), (1634, 4990), (1996, 4085), (2495, 3268)]