26686520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 69120000

約数和(自身を除く): 42433480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 499, 764, 955, 998, 1337, 1528, 1910, 1996, 2495, 2674, 3493, 3820, 3992, 4990, 5348, 6685, 6986, 7640, 9980, 10696, 13370, 13972, 17465, 19960, 26740, 27944, 34930, 53480, 69860, 95309, 139720, 190618, 381236, 476545, 667163, 762472, 953090, 1334326, 1906180, 2668652, 3335815, 3812360, 5337304, 6671630, 13343260, 26686520]

約数ペア:

[(1, 26686520), (2, 13343260), (4, 6671630), (5, 5337304), (7, 3812360), (8, 3335815), (10, 2668652), (14, 1906180), (20, 1334326), (28, 953090), (35, 762472), (40, 667163), (56, 476545), (70, 381236), (140, 190618), (191, 139720), (280, 95309), (382, 69860), (499, 53480), (764, 34930), (955, 27944), (998, 26740), (1337, 19960), (1528, 17465), (1910, 13972), (1996, 13370), (2495, 10696), (2674, 9980), (3493, 7640), (3820, 6986), (3992, 6685), (4990, 5348)]