13475920

素因数分解:

$2^4\times 5^1\times {\mathrm{168449}}^1$

素因数の和:168462

約数の個数: 20

約数和(自身を含む): 31331700

約数和(自身を除く): 17855780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168449, 336898, 673796, 842245, 1347592, 1684490, 2695184, 3368980, 6737960, 13475920]

約数ペア:

[(1, 13475920), (2, 6737960), (4, 3368980), (5, 2695184), (8, 1684490), (10, 1347592), (16, 842245), (20, 673796), (40, 336898), (80, 168449)]