26520010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12689}}^1$

素因数の和:12726

約数の個数: 32

約数和(自身を含む): 54820800

約数和(自身を除く): 28300790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12689, 25378, 63445, 126890, 139579, 241091, 279158, 482182, 697895, 1205455, 1395790, 2410910, 2652001, 5304002, 13260005, 26520010]

約数ペア:

[(1, 26520010), (2, 13260005), (5, 5304002), (10, 2652001), (11, 2410910), (19, 1395790), (22, 1205455), (38, 697895), (55, 482182), (95, 279158), (110, 241091), (190, 139579), (209, 126890), (418, 63445), (1045, 25378), (2090, 12689)]