84378380

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10627}}^1$

素因数の和:11033

約数の個数: 24

約数和(自身を含む): 177657648

約数和(自身を除く): 93279268

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 10627, 21254, 42508, 53135, 106270, 212540, 4218919, 8437838, 16875676, 21094595, 42189190, 84378380]

約数ペア:

[(1, 84378380), (2, 42189190), (4, 21094595), (5, 16875676), (10, 8437838), (20, 4218919), (397, 212540), (794, 106270), (1588, 53135), (1985, 42508), (3970, 21254), (7940, 10627)]