85690870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7927}}^1$

素因数の和:8004

約数の個数: 32

約数和(自身を含む): 164395008

約数和(自身を除く): 78704138

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 7927, 10810, 15854, 39635, 79270, 182321, 364642, 372569, 745138, 911605, 1823210, 1862845, 3725690, 8569087, 17138174, 42845435, 85690870]

約数ペア:

[(1, 85690870), (2, 42845435), (5, 17138174), (10, 8569087), (23, 3725690), (46, 1862845), (47, 1823210), (94, 911605), (115, 745138), (230, 372569), (235, 364642), (470, 182321), (1081, 79270), (2162, 39635), (5405, 15854), (7927, 10810)]