81715072

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{8081}}^1$

素因数の和:8174

約数の個数: 32

約数和(自身を含む): 164872800

約数和(自身を除く): 83157728

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 8081, 10112, 16162, 32324, 64648, 129296, 258592, 517184, 638399, 1034368, 1276798, 2553596, 5107192, 10214384, 20428768, 40857536, 81715072]

約数ペア:

[(1, 81715072), (2, 40857536), (4, 20428768), (8, 10214384), (16, 5107192), (32, 2553596), (64, 1276798), (79, 1034368), (128, 638399), (158, 517184), (316, 258592), (632, 129296), (1264, 64648), (2528, 32324), (5056, 16162), (8081, 10112)]