4037140

素因数分解:

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

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 8569512

約数和(自身を除く): 4532372

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 2081, 4162, 8324, 10405, 20810, 41620, 201857, 403714, 807428, 1009285, 2018570, 4037140]

約数ペア:

[(1, 4037140), (2, 2018570), (4, 1009285), (5, 807428), (10, 403714), (20, 201857), (97, 41620), (194, 20810), (388, 10405), (485, 8324), (970, 4162), (1940, 2081)]