80396368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386521}}^1$

素因数の和:386542

約数の個数: 20

約数和(自身を含む): 167750548

約数和(自身を除く): 87354180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386521, 773042, 1546084, 3092168, 5024773, 6184336, 10049546, 20099092, 40198184, 80396368]

約数ペア:

[(1, 80396368), (2, 40198184), (4, 20099092), (8, 10049546), (13, 6184336), (16, 5024773), (26, 3092168), (52, 1546084), (104, 773042), (208, 386521)]