15568880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1$

素因数の和:2825

約数の個数: 40

約数和(自身を含む): 36720864

約数和(自身を除く): 21151984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2741, 2840, 5482, 5680, 10964, 13705, 21928, 27410, 43856, 54820, 109640, 194611, 219280, 389222, 778444, 973055, 1556888, 1946110, 3113776, 3892220, 7784440, 15568880]

約数ペア:

[(1, 15568880), (2, 7784440), (4, 3892220), (5, 3113776), (8, 1946110), (10, 1556888), (16, 973055), (20, 778444), (40, 389222), (71, 219280), (80, 194611), (142, 109640), (284, 54820), (355, 43856), (568, 27410), (710, 21928), (1136, 13705), (1420, 10964), (2741, 5680), (2840, 5482)]