31137760

素因数分解:

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

素因数の和:2827

約数の個数: 48

約数和(自身を含む): 74626272

約数和(自身を除く): 43488512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2741, 2840, 5482, 5680, 10964, 11360, 13705, 21928, 27410, 43856, 54820, 87712, 109640, 194611, 219280, 389222, 438560, 778444, 973055, 1556888, 1946110, 3113776, 3892220, 6227552, 7784440, 15568880, 31137760]

約数ペア:

[(1, 31137760), (2, 15568880), (4, 7784440), (5, 6227552), (8, 3892220), (10, 3113776), (16, 1946110), (20, 1556888), (32, 973055), (40, 778444), (71, 438560), (80, 389222), (142, 219280), (160, 194611), (284, 109640), (355, 87712), (568, 54820), (710, 43856), (1136, 27410), (1420, 21928), (2272, 13705), (2741, 11360), (2840, 10964), (5482, 5680)]