8074280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 18363240

約数和(自身を除く): 10288960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2081, 3880, 4162, 8324, 10405, 16648, 20810, 41620, 83240, 201857, 403714, 807428, 1009285, 1614856, 2018570, 4037140, 8074280]

約数ペア:

[(1, 8074280), (2, 4037140), (4, 2018570), (5, 1614856), (8, 1009285), (10, 807428), (20, 403714), (40, 201857), (97, 83240), (194, 41620), (388, 20810), (485, 16648), (776, 10405), (970, 8324), (1940, 4162), (2081, 3880)]