85187680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31319}}^1$

素因数の和:31351

約数の個数: 48

約数和(自身を含む): 213101280

約数和(自身を除く): 127913600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 31319, 62638, 125276, 156595, 250552, 313190, 501104, 532423, 626380, 1002208, 1064846, 1252760, 2129692, 2505520, 2662115, 4259384, 5011040, 5324230, 8518768, 10648460, 17037536, 21296920, 42593840, 85187680]

約数ペア:

[(1, 85187680), (2, 42593840), (4, 21296920), (5, 17037536), (8, 10648460), (10, 8518768), (16, 5324230), (17, 5011040), (20, 4259384), (32, 2662115), (34, 2505520), (40, 2129692), (68, 1252760), (80, 1064846), (85, 1002208), (136, 626380), (160, 532423), (170, 501104), (272, 313190), (340, 250552), (544, 156595), (680, 125276), (1360, 62638), (2720, 31319)]