24985000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 61855200

約数和(自身を除く): 36870200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 263, 380, 475, 500, 526, 625, 760, 950, 1000, 1052, 1250, 1315, 1900, 2104, 2375, 2500, 2630, 3800, 4750, 4997, 5000, 5260, 6575, 9500, 9994, 10520, 11875, 13150, 19000, 19988, 23750, 24985, 26300, 32875, 39976, 47500, 49970, 52600, 65750, 95000, 99940, 124925, 131500, 164375, 199880, 249850, 263000, 328750, 499700, 624625, 657500, 999400, 1249250, 1315000, 2498500, 3123125, 4997000, 6246250, 12492500, 24985000]

約数ペア:

[(1, 24985000), (2, 12492500), (4, 6246250), (5, 4997000), (8, 3123125), (10, 2498500), (19, 1315000), (20, 1249250), (25, 999400), (38, 657500), (40, 624625), (50, 499700), (76, 328750), (95, 263000), (100, 249850), (125, 199880), (152, 164375), (190, 131500), (200, 124925), (250, 99940), (263, 95000), (380, 65750), (475, 52600), (500, 49970), (526, 47500), (625, 39976), (760, 32875), (950, 26300), (1000, 24985), (1052, 23750), (1250, 19988), (1315, 19000), (1900, 13150), (2104, 11875), (2375, 10520), (2500, 9994), (2630, 9500), (3800, 6575), (4750, 5260), (4997, 5000)]