86665240

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5657}}^1$

素因数の和:6051

約数の個数: 32

約数和(自身を含む): 195540480

約数和(自身を除く): 108875240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5657, 7660, 11314, 15320, 22628, 28285, 45256, 56570, 113140, 226280, 2166631, 4333262, 8666524, 10833155, 17333048, 21666310, 43332620, 86665240]

約数ペア:

[(1, 86665240), (2, 43332620), (4, 21666310), (5, 17333048), (8, 10833155), (10, 8666524), (20, 4333262), (40, 2166631), (383, 226280), (766, 113140), (1532, 56570), (1915, 45256), (3064, 28285), (3830, 22628), (5657, 15320), (7660, 11314)]