89740460

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4447}}^1$

素因数の和:5465

約数の個数: 24

約数和(自身を含む): 188684160

約数和(自身を除く): 98943700

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 4447, 5045, 8894, 10090, 17788, 20180, 22235, 44470, 88940, 4487023, 8974046, 17948092, 22435115, 44870230, 89740460]

約数ペア:

[(1, 89740460), (2, 44870230), (4, 22435115), (5, 17948092), (10, 8974046), (20, 4487023), (1009, 88940), (2018, 44470), (4036, 22235), (4447, 20180), (5045, 17788), (8894, 10090)]