207964000

素因数分解:

$2^5\times 5^3\times {\mathrm{51991}}^1$

素因数の和:52016

約数の個数: 48

約数和(自身を含む): 510977376

約数和(自身を除く): 303013376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 51991, 103982, 207964, 259955, 415928, 519910, 831856, 1039820, 1299775, 1663712, 2079640, 2599550, 4159280, 5199100, 6498875, 8318560, 10398200, 12997750, 20796400, 25995500, 41592800, 51991000, 103982000, 207964000]

約数ペア:

[(1, 207964000), (2, 103982000), (4, 51991000), (5, 41592800), (8, 25995500), (10, 20796400), (16, 12997750), (20, 10398200), (25, 8318560), (32, 6498875), (40, 5199100), (50, 4159280), (80, 2599550), (100, 2079640), (125, 1663712), (160, 1299775), (200, 1039820), (250, 831856), (400, 519910), (500, 415928), (800, 259955), (1000, 207964), (2000, 103982), (4000, 51991)]