78864260

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{5209}}^1$

素因数の和:5975

約数の個数: 24

約数和(自身を含む): 165865560

約数和(自身を除く): 87001300

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 5209, 7570, 10418, 15140, 20836, 26045, 52090, 104180, 3943213, 7886426, 15772852, 19716065, 39432130, 78864260]

約数ペア:

[(1, 78864260), (2, 39432130), (4, 19716065), (5, 15772852), (10, 7886426), (20, 3943213), (757, 104180), (1514, 52090), (3028, 26045), (3785, 20836), (5209, 15140), (7570, 10418)]