16650040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 24821960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 479, 632, 790, 869, 958, 1580, 1738, 1916, 2395, 3160, 3476, 3832, 4345, 4790, 5269, 6952, 8690, 9580, 10538, 17380, 19160, 21076, 26345, 34760, 37841, 42152, 52690, 75682, 105380, 151364, 189205, 210760, 302728, 378410, 416251, 756820, 832502, 1513640, 1665004, 2081255, 3330008, 4162510, 8325020, 16650040]

約数ペア:

[(1, 16650040), (2, 8325020), (4, 4162510), (5, 3330008), (8, 2081255), (10, 1665004), (11, 1513640), (20, 832502), (22, 756820), (40, 416251), (44, 378410), (55, 302728), (79, 210760), (88, 189205), (110, 151364), (158, 105380), (220, 75682), (316, 52690), (395, 42152), (440, 37841), (479, 34760), (632, 26345), (790, 21076), (869, 19160), (958, 17380), (1580, 10538), (1738, 9580), (1916, 8690), (2395, 6952), (3160, 5269), (3476, 4790), (3832, 4345)]