13212740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38861}}^1$

素因数の和:38887

約数の個数: 24

約数和(自身を含む): 29379672

約数和(自身を除く): 16166932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 38861, 77722, 155444, 194305, 388610, 660637, 777220, 1321274, 2642548, 3303185, 6606370, 13212740]

約数ペア:

[(1, 13212740), (2, 6606370), (4, 3303185), (5, 2642548), (10, 1321274), (17, 777220), (20, 660637), (34, 388610), (68, 194305), (85, 155444), (170, 77722), (340, 38861)]