2912258120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1025443}}^1$

素因数の和:1025525

約数の個数: 32

約数和(自身を含む): 6644877120

約数和(自身を除く): 3732619000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 1025443, 2050886, 4101772, 5127215, 8203544, 10254430, 20508860, 41017720, 72806453, 145612906, 291225812, 364032265, 582451624, 728064530, 1456129060, 2912258120]

約数ペア:

[(1, 2912258120), (2, 1456129060), (4, 728064530), (5, 582451624), (8, 364032265), (10, 291225812), (20, 145612906), (40, 72806453), (71, 41017720), (142, 20508860), (284, 10254430), (355, 8203544), (568, 5127215), (710, 4101772), (1420, 2050886), (2840, 1025443)]