38863820

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1471}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 81731328

約数和(自身を除く): 42867508

約数列:

[1, 2, 4, 5, 10, 20, 1321, 1471, 2642, 2942, 5284, 5884, 6605, 7355, 13210, 14710, 26420, 29420, 1943191, 3886382, 7772764, 9715955, 19431910, 38863820]

約数ペア:

[(1, 38863820), (2, 19431910), (4, 9715955), (5, 7772764), (10, 3886382), (20, 1943191), (1321, 29420), (1471, 26420), (2642, 14710), (2942, 13210), (5284, 7355), (5884, 6605)]