87173020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3847}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 201696768

約数和(自身を除く): 114523748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 3847, 4532, 5665, 7694, 11330, 15388, 19235, 22660, 38470, 42317, 76940, 84634, 169268, 211585, 396241, 423170, 792482, 846340, 1584964, 1981205, 3962410, 4358651, 7924820, 8717302, 17434604, 21793255, 43586510, 87173020]

約数ペア:

[(1, 87173020), (2, 43586510), (4, 21793255), (5, 17434604), (10, 8717302), (11, 7924820), (20, 4358651), (22, 3962410), (44, 1981205), (55, 1584964), (103, 846340), (110, 792482), (206, 423170), (220, 396241), (412, 211585), (515, 169268), (1030, 84634), (1133, 76940), (2060, 42317), (2266, 38470), (3847, 22660), (4532, 19235), (5665, 15388), (7694, 11330)]