51136670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12740

約数の個数: 32

約数和(自身を含む): 102332160

約数和(自身を除く): 51195490

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 12689, 25378, 63445, 126890, 164957, 329914, 393359, 786718, 824785, 1649570, 1966795, 3933590, 5113667, 10227334, 25568335, 51136670]

約数ペア:

[(1, 51136670), (2, 25568335), (5, 10227334), (10, 5113667), (13, 3933590), (26, 1966795), (31, 1649570), (62, 824785), (65, 786718), (130, 393359), (155, 329914), (310, 164957), (403, 126890), (806, 63445), (2015, 25378), (4030, 12689)]