8325020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 19353600

約数和(自身を除く): 11028580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 479, 790, 869, 958, 1580, 1738, 1916, 2395, 3476, 4345, 4790, 5269, 8690, 9580, 10538, 17380, 21076, 26345, 37841, 52690, 75682, 105380, 151364, 189205, 378410, 416251, 756820, 832502, 1665004, 2081255, 4162510, 8325020]

約数ペア:

[(1, 8325020), (2, 4162510), (4, 2081255), (5, 1665004), (10, 832502), (11, 756820), (20, 416251), (22, 378410), (44, 189205), (55, 151364), (79, 105380), (110, 75682), (158, 52690), (220, 37841), (316, 26345), (395, 21076), (479, 17380), (790, 10538), (869, 9580), (958, 8690), (1580, 5269), (1738, 4790), (1916, 4345), (2395, 3476)]