81379160

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{3023}}^1$

素因数の和:3707

約数の個数: 32

約数和(自身を含む): 183435840

約数和(自身を除く): 102056680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3023, 3365, 5384, 6046, 6730, 12092, 13460, 15115, 24184, 26920, 30230, 60460, 120920, 2034479, 4068958, 8137916, 10172395, 16275832, 20344790, 40689580, 81379160]

約数ペア:

[(1, 81379160), (2, 40689580), (4, 20344790), (5, 16275832), (8, 10172395), (10, 8137916), (20, 4068958), (40, 2034479), (673, 120920), (1346, 60460), (2692, 30230), (3023, 26920), (3365, 24184), (5384, 15115), (6046, 13460), (6730, 12092)]