179480920

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4447}}^1$

素因数の和:5467

約数の個数: 32

約数和(自身を含む): 404323200

約数和(自身を除く): 224842280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 4447, 5045, 8072, 8894, 10090, 17788, 20180, 22235, 35576, 40360, 44470, 88940, 177880, 4487023, 8974046, 17948092, 22435115, 35896184, 44870230, 89740460, 179480920]

約数ペア:

[(1, 179480920), (2, 89740460), (4, 44870230), (5, 35896184), (8, 22435115), (10, 17948092), (20, 8974046), (40, 4487023), (1009, 177880), (2018, 88940), (4036, 44470), (4447, 40360), (5045, 35576), (8072, 22235), (8894, 20180), (10090, 17788)]