26956670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6689}}^1$

素因数の和:6740

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 26991490

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6689, 13378, 33445, 66890, 86957, 173914, 207359, 414718, 434785, 869570, 1036795, 2073590, 2695667, 5391334, 13478335, 26956670]

約数ペア:

[(1, 26956670), (2, 13478335), (5, 5391334), (10, 2695667), (13, 2073590), (26, 1036795), (31, 869570), (62, 434785), (65, 414718), (130, 207359), (155, 173914), (310, 86957), (403, 66890), (806, 33445), (2015, 13378), (4030, 6689)]