8003720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2741}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 18261720

約数和(自身を除く): 10258000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2741, 2920, 5482, 10964, 13705, 21928, 27410, 54820, 109640, 200093, 400186, 800372, 1000465, 1600744, 2000930, 4001860, 8003720]

約数ペア:

[(1, 8003720), (2, 4001860), (4, 2000930), (5, 1600744), (8, 1000465), (10, 800372), (20, 400186), (40, 200093), (73, 109640), (146, 54820), (292, 27410), (365, 21928), (584, 13705), (730, 10964), (1460, 5482), (2741, 2920)]