64841740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190711}}^1$

素因数の和:190737

約数の個数: 24

約数和(自身を含む): 144178272

約数和(自身を除く): 79336532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 190711, 381422, 762844, 953555, 1907110, 3242087, 3814220, 6484174, 12968348, 16210435, 32420870, 64841740]

約数ペア:

[(1, 64841740), (2, 32420870), (4, 16210435), (5, 12968348), (10, 6484174), (17, 3814220), (20, 3242087), (34, 1907110), (68, 953555), (85, 762844), (170, 381422), (340, 190711)]