815103680

素因数分解:

$2^6\times 5^1\times {\mathrm{2547199}}^1$

素因数の和:2547216

約数の個数: 28

約数和(自身を含む): 1940966400

約数和(自身を除く): 1125862720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2547199, 5094398, 10188796, 12735995, 20377592, 25471990, 40755184, 50943980, 81510368, 101887960, 163020736, 203775920, 407551840, 815103680]

約数ペア:

[(1, 815103680), (2, 407551840), (4, 203775920), (5, 163020736), (8, 101887960), (10, 81510368), (16, 50943980), (20, 40755184), (32, 25471990), (40, 20377592), (64, 12735995), (80, 10188796), (160, 5094398), (320, 2547199)]