80340340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93419}}^1$

素因数の和:93471

約数の個数: 24

約数和(自身を含む): 172640160

約数和(自身を除く): 92299820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93419, 186838, 373676, 467095, 934190, 1868380, 4017017, 8034034, 16068068, 20085085, 40170170, 80340340]

約数ペア:

[(1, 80340340), (2, 40170170), (4, 20085085), (5, 16068068), (10, 8034034), (20, 4017017), (43, 1868380), (86, 934190), (172, 467095), (215, 373676), (430, 186838), (860, 93419)]