7964000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 21464352

約数和(自身を除く): 13500352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 181, 200, 220, 250, 275, 352, 362, 400, 440, 500, 550, 724, 800, 880, 905, 1000, 1100, 1375, 1448, 1760, 1810, 1991, 2000, 2200, 2750, 2896, 3620, 3982, 4000, 4400, 4525, 5500, 5792, 7240, 7964, 8800, 9050, 9955, 11000, 14480, 15928, 18100, 19910, 22000, 22625, 28960, 31856, 36200, 39820, 44000, 45250, 49775, 63712, 72400, 79640, 90500, 99550, 144800, 159280, 181000, 199100, 248875, 318560, 362000, 398200, 497750, 724000, 796400, 995500, 1592800, 1991000, 3982000, 7964000]

約数ペア:

[(1, 7964000), (2, 3982000), (4, 1991000), (5, 1592800), (8, 995500), (10, 796400), (11, 724000), (16, 497750), (20, 398200), (22, 362000), (25, 318560), (32, 248875), (40, 199100), (44, 181000), (50, 159280), (55, 144800), (80, 99550), (88, 90500), (100, 79640), (110, 72400), (125, 63712), (160, 49775), (176, 45250), (181, 44000), (200, 39820), (220, 36200), (250, 31856), (275, 28960), (352, 22625), (362, 22000), (400, 19910), (440, 18100), (500, 15928), (550, 14480), (724, 11000), (800, 9955), (880, 9050), (905, 8800), (1000, 7964), (1100, 7240), (1375, 5792), (1448, 5500), (1760, 4525), (1810, 4400), (1991, 4000), (2000, 3982), (2200, 3620), (2750, 2896)]