87793480

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4057}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 197949240

約数和(自身を除く): 110155760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4057, 4328, 5410, 8114, 10820, 16228, 20285, 21640, 32456, 40570, 81140, 162280, 2194837, 4389674, 8779348, 10974185, 17558696, 21948370, 43896740, 87793480]

約数ペア:

[(1, 87793480), (2, 43896740), (4, 21948370), (5, 17558696), (8, 10974185), (10, 8779348), (20, 4389674), (40, 2194837), (541, 162280), (1082, 81140), (2164, 40570), (2705, 32456), (4057, 21640), (4328, 20285), (5410, 16228), (8114, 10820)]