85658120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27107}}^1$

素因数の和:27197

約数の個数: 32

約数和(自身を含む): 195177600

約数和(自身を除く): 109519480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27107, 54214, 108428, 135535, 216856, 271070, 542140, 1084280, 2141453, 4282906, 8565812, 10707265, 17131624, 21414530, 42829060, 85658120]

約数ペア:

[(1, 85658120), (2, 42829060), (4, 21414530), (5, 17131624), (8, 10707265), (10, 8565812), (20, 4282906), (40, 2141453), (79, 1084280), (158, 542140), (316, 271070), (395, 216856), (632, 135535), (790, 108428), (1580, 54214), (3160, 27107)]