87360380

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{2099}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 183632400

約数和(自身を除く): 96272020

約数列:

[1, 2, 4, 5, 10, 20, 2081, 2099, 4162, 4198, 8324, 8396, 10405, 10495, 20810, 20990, 41620, 41980, 4368019, 8736038, 17472076, 21840095, 43680190, 87360380]

約数ペア:

[(1, 87360380), (2, 43680190), (4, 21840095), (5, 17472076), (10, 8736038), (20, 4368019), (2081, 41980), (2099, 41620), (4162, 20990), (4198, 20810), (8324, 10495), (8396, 10405)]