4079500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 9172800

約数和(自身を除く): 5093300

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 199, 205, 250, 398, 410, 500, 796, 820, 995, 1025, 1990, 2050, 3980, 4100, 4975, 5125, 8159, 9950, 10250, 16318, 19900, 20500, 24875, 32636, 40795, 49750, 81590, 99500, 163180, 203975, 407950, 815900, 1019875, 2039750, 4079500]

約数ペア:

[(1, 4079500), (2, 2039750), (4, 1019875), (5, 815900), (10, 407950), (20, 203975), (25, 163180), (41, 99500), (50, 81590), (82, 49750), (100, 40795), (125, 32636), (164, 24875), (199, 20500), (205, 19900), (250, 16318), (398, 10250), (410, 9950), (500, 8159), (796, 5125), (820, 4975), (995, 4100), (1025, 3980), (1990, 2050)]