90496040

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5107}}^1$

素因数の和:5561

約数の個数: 32

約数和(自身を含む): 204115680

約数和(自身を除く): 113619640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 5107, 8860, 10214, 17720, 20428, 25535, 40856, 51070, 102140, 204280, 2262401, 4524802, 9049604, 11312005, 18099208, 22624010, 45248020, 90496040]

約数ペア:

[(1, 90496040), (2, 45248020), (4, 22624010), (5, 18099208), (8, 11312005), (10, 9049604), (20, 4524802), (40, 2262401), (443, 204280), (886, 102140), (1772, 51070), (2215, 40856), (3544, 25535), (4430, 20428), (5107, 17720), (8860, 10214)]