13748440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 18599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 103, 142, 188, 206, 235, 284, 355, 376, 412, 470, 515, 568, 710, 824, 940, 1030, 1420, 1880, 2060, 2840, 3337, 4120, 4841, 6674, 7313, 9682, 13348, 14626, 16685, 19364, 24205, 26696, 29252, 33370, 36565, 38728, 48410, 58504, 66740, 73130, 96820, 133480, 146260, 193640, 292520, 343711, 687422, 1374844, 1718555, 2749688, 3437110, 6874220, 13748440]

約数ペア:

[(1, 13748440), (2, 6874220), (4, 3437110), (5, 2749688), (8, 1718555), (10, 1374844), (20, 687422), (40, 343711), (47, 292520), (71, 193640), (94, 146260), (103, 133480), (142, 96820), (188, 73130), (206, 66740), (235, 58504), (284, 48410), (355, 38728), (376, 36565), (412, 33370), (470, 29252), (515, 26696), (568, 24205), (710, 19364), (824, 16685), (940, 14626), (1030, 13348), (1420, 9682), (1880, 7313), (2060, 6674), (2840, 4841), (3337, 4120)]