90607640

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4729}}^1$

素因数の和:5219

約数の個数: 32

約数和(自身を含む): 204336000

約数和(自身を除く): 113728360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4729, 4790, 9458, 9580, 18916, 19160, 23645, 37832, 47290, 94580, 189160, 2265191, 4530382, 9060764, 11325955, 18121528, 22651910, 45303820, 90607640]

約数ペア:

[(1, 90607640), (2, 45303820), (4, 22651910), (5, 18121528), (8, 11325955), (10, 9060764), (20, 4530382), (40, 2265191), (479, 189160), (958, 94580), (1916, 47290), (2395, 37832), (3832, 23645), (4729, 19160), (4790, 18916), (9458, 9580)]