90319820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{25229}}^1$

素因数の和:25417

約数の個数: 24

約数和(自身を含む): 190738800

約数和(自身を除く): 100418980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 25229, 50458, 100916, 126145, 252290, 504580, 4515991, 9031982, 18063964, 22579955, 45159910, 90319820]

約数ペア:

[(1, 90319820), (2, 45159910), (4, 22579955), (5, 18063964), (10, 9031982), (20, 4515991), (179, 504580), (358, 252290), (716, 126145), (895, 100916), (1790, 50458), (3580, 25229)]