124421840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19687}}^1$

素因数の和:19779

約数の個数: 40

約数和(自身を含む): 292957440

約数和(自身を除く): 168535600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 19687, 39374, 78748, 98435, 157496, 196870, 314992, 393740, 787480, 1555273, 1574960, 3110546, 6221092, 7776365, 12442184, 15552730, 24884368, 31105460, 62210920, 124421840]

約数ペア:

[(1, 124421840), (2, 62210920), (4, 31105460), (5, 24884368), (8, 15552730), (10, 12442184), (16, 7776365), (20, 6221092), (40, 3110546), (79, 1574960), (80, 1555273), (158, 787480), (316, 393740), (395, 314992), (632, 196870), (790, 157496), (1264, 98435), (1580, 78748), (3160, 39374), (6320, 19687)]