42738020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164377}}^1$

素因数の和:164399

約数の個数: 24

約数和(自身を含む): 96654264

約数和(自身を除く): 53916244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164377, 328754, 657508, 821885, 1643770, 2136901, 3287540, 4273802, 8547604, 10684505, 21369010, 42738020]

約数ペア:

[(1, 42738020), (2, 21369010), (4, 10684505), (5, 8547604), (10, 4273802), (13, 3287540), (20, 2136901), (26, 1643770), (52, 821885), (65, 657508), (130, 328754), (260, 164377)]