90455150

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{20327}}^1$

素因数の和:20428

約数の個数: 24

約数和(自身を含む): 170145360

約数和(自身を除く): 79690210

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 20327, 40654, 101635, 203270, 508175, 1016350, 1809103, 3618206, 9045515, 18091030, 45227575, 90455150]

約数ペア:

[(1, 90455150), (2, 45227575), (5, 18091030), (10, 9045515), (25, 3618206), (50, 1809103), (89, 1016350), (178, 508175), (445, 203270), (890, 101635), (2225, 40654), (4450, 20327)]