87412760

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4933}}^1$

素因数の和:5387

約数の個数: 32

約数和(自身を含む): 197162640

約数和(自身を除く): 109749880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 4933, 8860, 9866, 17720, 19732, 24665, 39464, 49330, 98660, 197320, 2185319, 4370638, 8741276, 10926595, 17482552, 21853190, 43706380, 87412760]

約数ペア:

[(1, 87412760), (2, 43706380), (4, 21853190), (5, 17482552), (8, 10926595), (10, 8741276), (20, 4370638), (40, 2185319), (443, 197320), (886, 98660), (1772, 49330), (2215, 39464), (3544, 24665), (4430, 19732), (4933, 17720), (8860, 9866)]