81874000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 220985856

約数和(自身を除く): 139111856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 47, 50, 52, 65, 67, 80, 94, 100, 104, 125, 130, 134, 188, 200, 208, 235, 250, 260, 268, 325, 335, 376, 400, 470, 500, 520, 536, 611, 650, 670, 752, 871, 940, 1000, 1040, 1072, 1175, 1222, 1300, 1340, 1625, 1675, 1742, 1880, 2000, 2350, 2444, 2600, 2680, 3055, 3149, 3250, 3350, 3484, 3760, 4355, 4700, 4888, 5200, 5360, 5875, 6110, 6298, 6500, 6700, 6968, 8375, 8710, 9400, 9776, 11750, 12220, 12596, 13000, 13400, 13936, 15275, 15745, 16750, 17420, 18800, 21775, 23500, 24440, 25192, 26000, 26800, 30550, 31490, 33500, 34840, 40937, 43550, 47000, 48880, 50384, 61100, 62980, 67000, 69680, 76375, 78725, 81874, 87100, 94000, 108875, 122200, 125960, 134000, 152750, 157450, 163748, 174200, 204685, 217750, 244400, 251920, 305500, 314900, 327496, 348400, 393625, 409370, 435500, 611000, 629800, 654992, 787250, 818740, 871000, 1023425, 1222000, 1259600, 1574500, 1637480, 1742000, 2046850, 3149000, 3274960, 4093700, 5117125, 6298000, 8187400, 10234250, 16374800, 20468500, 40937000, 81874000]

約数ペア:

[(1, 81874000), (2, 40937000), (4, 20468500), (5, 16374800), (8, 10234250), (10, 8187400), (13, 6298000), (16, 5117125), (20, 4093700), (25, 3274960), (26, 3149000), (40, 2046850), (47, 1742000), (50, 1637480), (52, 1574500), (65, 1259600), (67, 1222000), (80, 1023425), (94, 871000), (100, 818740), (104, 787250), (125, 654992), (130, 629800), (134, 611000), (188, 435500), (200, 409370), (208, 393625), (235, 348400), (250, 327496), (260, 314900), (268, 305500), (325, 251920), (335, 244400), (376, 217750), (400, 204685), (470, 174200), (500, 163748), (520, 157450), (536, 152750), (611, 134000), (650, 125960), (670, 122200), (752, 108875), (871, 94000), (940, 87100), (1000, 81874), (1040, 78725), (1072, 76375), (1175, 69680), (1222, 67000), (1300, 62980), (1340, 61100), (1625, 50384), (1675, 48880), (1742, 47000), (1880, 43550), (2000, 40937), (2350, 34840), (2444, 33500), (2600, 31490), (2680, 30550), (3055, 26800), (3149, 26000), (3250, 25192), (3350, 24440), (3484, 23500), (3760, 21775), (4355, 18800), (4700, 17420), (4888, 16750), (5200, 15745), (5360, 15275), (5875, 13936), (6110, 13400), (6298, 13000), (6500, 12596), (6700, 12220), (6968, 11750), (8375, 9776), (8710, 9400)]