8126140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 19071360

約数和(自身を除く): 10945220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 859, 860, 946, 1718, 1892, 2365, 3436, 4295, 4730, 8590, 9449, 9460, 17180, 18898, 36937, 37796, 47245, 73874, 94490, 147748, 184685, 188980, 369370, 406307, 738740, 812614, 1625228, 2031535, 4063070, 8126140]

約数ペア:

[(1, 8126140), (2, 4063070), (4, 2031535), (5, 1625228), (10, 812614), (11, 738740), (20, 406307), (22, 369370), (43, 188980), (44, 184685), (55, 147748), (86, 94490), (110, 73874), (172, 47245), (215, 37796), (220, 36937), (430, 18898), (473, 17180), (859, 9460), (860, 9449), (946, 8590), (1718, 4730), (1892, 4295), (2365, 3436)]