7926440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 18092160

約数和(自身を除く): 10165720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2791, 2840, 5582, 11164, 13955, 22328, 27910, 55820, 111640, 198161, 396322, 792644, 990805, 1585288, 1981610, 3963220, 7926440]

約数ペア:

[(1, 7926440), (2, 3963220), (4, 1981610), (5, 1585288), (8, 990805), (10, 792644), (20, 396322), (40, 198161), (71, 111640), (142, 55820), (284, 27910), (355, 22328), (568, 13955), (710, 11164), (1420, 5582), (2791, 2840)]