85520660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 98338540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 479, 565, 790, 958, 1130, 1580, 1916, 2260, 2395, 4790, 8927, 9580, 17854, 35708, 37841, 44635, 54127, 75682, 89270, 108254, 151364, 178540, 189205, 216508, 270635, 378410, 541270, 756820, 1082540, 4276033, 8552066, 17104132, 21380165, 42760330, 85520660]

約数ペア:

[(1, 85520660), (2, 42760330), (4, 21380165), (5, 17104132), (10, 8552066), (20, 4276033), (79, 1082540), (113, 756820), (158, 541270), (226, 378410), (316, 270635), (395, 216508), (452, 189205), (479, 178540), (565, 151364), (790, 108254), (958, 89270), (1130, 75682), (1580, 54127), (1916, 44635), (2260, 37841), (2395, 35708), (4790, 17854), (8927, 9580)]