15702040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4969}}^1$

素因数の和:5059

約数の個数: 32

約数和(自身を含む): 35784000

約数和(自身を除く): 20081960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4969, 9938, 19876, 24845, 39752, 49690, 99380, 198760, 392551, 785102, 1570204, 1962755, 3140408, 3925510, 7851020, 15702040]

約数ペア:

[(1, 15702040), (2, 7851020), (4, 3925510), (5, 3140408), (8, 1962755), (10, 1570204), (20, 785102), (40, 392551), (79, 198760), (158, 99380), (316, 49690), (395, 39752), (632, 24845), (790, 19876), (1580, 9938), (3160, 4969)]