90500440

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{5039}}^1$

素因数の和:5499

約数の個数: 32

約数和(自身を含む): 204120000

約数和(自身を除く): 113619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 5039, 8980, 10078, 17960, 20156, 25195, 40312, 50390, 100780, 201560, 2262511, 4525022, 9050044, 11312555, 18100088, 22625110, 45250220, 90500440]

約数ペア:

[(1, 90500440), (2, 45250220), (4, 22625110), (5, 18100088), (8, 11312555), (10, 9050044), (20, 4525022), (40, 2262511), (449, 201560), (898, 100780), (1796, 50390), (2245, 40312), (3592, 25195), (4490, 20156), (5039, 17960), (8980, 10078)]