89668520

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2137}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 202041000

約数和(自身を除く): 112372480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 2137, 4196, 4274, 5245, 8392, 8548, 10490, 10685, 17096, 20980, 21370, 41960, 42740, 85480, 2241713, 4483426, 8966852, 11208565, 17933704, 22417130, 44834260, 89668520]

約数ペア:

[(1, 89668520), (2, 44834260), (4, 22417130), (5, 17933704), (8, 11208565), (10, 8966852), (20, 4483426), (40, 2241713), (1049, 85480), (2098, 42740), (2137, 41960), (4196, 21370), (4274, 20980), (5245, 17096), (8392, 10685), (8548, 10490)]