28422880

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 67468464

約数和(自身を除く): 39045584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 443, 802, 886, 1604, 1772, 2005, 2215, 3208, 3544, 4010, 4430, 6416, 7088, 8020, 8860, 12832, 14176, 16040, 17720, 32080, 35440, 64160, 70880, 177643, 355286, 710572, 888215, 1421144, 1776430, 2842288, 3552860, 5684576, 7105720, 14211440, 28422880]

約数ペア:

[(1, 28422880), (2, 14211440), (4, 7105720), (5, 5684576), (8, 3552860), (10, 2842288), (16, 1776430), (20, 1421144), (32, 888215), (40, 710572), (80, 355286), (160, 177643), (401, 70880), (443, 64160), (802, 35440), (886, 32080), (1604, 17720), (1772, 16040), (2005, 14176), (2215, 12832), (3208, 8860), (3544, 8020), (4010, 7088), (4430, 6416)]