104457040

素因数分解:

$2^4\times 5^1\times {\mathrm{1305713}}^1$

素因数の和:1305726

約数の個数: 20

約数和(自身を含む): 242862804

約数和(自身を除く): 138405764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1305713, 2611426, 5222852, 6528565, 10445704, 13057130, 20891408, 26114260, 52228520, 104457040]

約数ペア:

[(1, 104457040), (2, 52228520), (4, 26114260), (5, 20891408), (8, 13057130), (10, 10445704), (16, 6528565), (20, 5222852), (40, 2611426), (80, 1305713)]