89155520

素因数分解:

$2^6\times 5^1\times {\mathrm{278611}}^1$

素因数の和:278628

約数の個数: 28

約数和(自身を含む): 212302344

約数和(自身を除く): 123146824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 278611, 557222, 1114444, 1393055, 2228888, 2786110, 4457776, 5572220, 8915552, 11144440, 17831104, 22288880, 44577760, 89155520]

約数ペア:

[(1, 89155520), (2, 44577760), (4, 22288880), (5, 17831104), (8, 11144440), (10, 8915552), (16, 5572220), (20, 4457776), (32, 2786110), (40, 2228888), (64, 1393055), (80, 1114444), (160, 557222), (320, 278611)]