81412300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{5857}}^1$

素因数の和:6010

約数の個数: 36

約数和(自身を含む): 177966040

約数和(自身を除く): 96553740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 5857, 6950, 11714, 13900, 23428, 29285, 58570, 117140, 146425, 292850, 585700, 814123, 1628246, 3256492, 4070615, 8141230, 16282460, 20353075, 40706150, 81412300]

約数ペア:

[(1, 81412300), (2, 40706150), (4, 20353075), (5, 16282460), (10, 8141230), (20, 4070615), (25, 3256492), (50, 1628246), (100, 814123), (139, 585700), (278, 292850), (556, 146425), (695, 117140), (1390, 58570), (2780, 29285), (3475, 23428), (5857, 13900), (6950, 11714)]