31705760

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2877

約数の個数: 48

約数和(自身を含む): 75987072

約数和(自身を除く): 44281312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2791, 2840, 5582, 5680, 11164, 11360, 13955, 22328, 27910, 44656, 55820, 89312, 111640, 198161, 223280, 396322, 446560, 792644, 990805, 1585288, 1981610, 3170576, 3963220, 6341152, 7926440, 15852880, 31705760]

約数ペア:

[(1, 31705760), (2, 15852880), (4, 7926440), (5, 6341152), (8, 3963220), (10, 3170576), (16, 1981610), (20, 1585288), (32, 990805), (40, 792644), (71, 446560), (80, 396322), (142, 223280), (160, 198161), (284, 111640), (355, 89312), (568, 55820), (710, 44656), (1136, 27910), (1420, 22328), (2272, 13955), (2791, 11360), (2840, 11164), (5582, 5680)]