8378000

素因数分解:

$2^4\times 5^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 20891520

約数和(自身を除く): 12513520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 71, 80, 100, 118, 125, 142, 200, 236, 250, 284, 295, 355, 400, 472, 500, 568, 590, 710, 944, 1000, 1136, 1180, 1420, 1475, 1775, 2000, 2360, 2840, 2950, 3550, 4189, 4720, 5680, 5900, 7100, 7375, 8378, 8875, 11800, 14200, 14750, 16756, 17750, 20945, 23600, 28400, 29500, 33512, 35500, 41890, 59000, 67024, 71000, 83780, 104725, 118000, 142000, 167560, 209450, 335120, 418900, 523625, 837800, 1047250, 1675600, 2094500, 4189000, 8378000]

約数ペア:

[(1, 8378000), (2, 4189000), (4, 2094500), (5, 1675600), (8, 1047250), (10, 837800), (16, 523625), (20, 418900), (25, 335120), (40, 209450), (50, 167560), (59, 142000), (71, 118000), (80, 104725), (100, 83780), (118, 71000), (125, 67024), (142, 59000), (200, 41890), (236, 35500), (250, 33512), (284, 29500), (295, 28400), (355, 23600), (400, 20945), (472, 17750), (500, 16756), (568, 14750), (590, 14200), (710, 11800), (944, 8875), (1000, 8378), (1136, 7375), (1180, 7100), (1420, 5900), (1475, 5680), (1775, 4720), (2000, 4189), (2360, 3550), (2840, 2950)]