16318000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 40622400

約数和(自身を除く): 24304400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 199, 200, 205, 250, 328, 398, 400, 410, 500, 656, 796, 820, 995, 1000, 1025, 1592, 1640, 1990, 2000, 2050, 3184, 3280, 3980, 4100, 4975, 5125, 7960, 8159, 8200, 9950, 10250, 15920, 16318, 16400, 19900, 20500, 24875, 32636, 39800, 40795, 41000, 49750, 65272, 79600, 81590, 82000, 99500, 130544, 163180, 199000, 203975, 326360, 398000, 407950, 652720, 815900, 1019875, 1631800, 2039750, 3263600, 4079500, 8159000, 16318000]

約数ペア:

[(1, 16318000), (2, 8159000), (4, 4079500), (5, 3263600), (8, 2039750), (10, 1631800), (16, 1019875), (20, 815900), (25, 652720), (40, 407950), (41, 398000), (50, 326360), (80, 203975), (82, 199000), (100, 163180), (125, 130544), (164, 99500), (199, 82000), (200, 81590), (205, 79600), (250, 65272), (328, 49750), (398, 41000), (400, 40795), (410, 39800), (500, 32636), (656, 24875), (796, 20500), (820, 19900), (995, 16400), (1000, 16318), (1025, 15920), (1592, 10250), (1640, 9950), (1990, 8200), (2000, 8159), (2050, 7960), (3184, 5125), (3280, 4975), (3980, 4100)]