30648020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117877}}^1$

素因数の和:117899

約数の個数: 24

約数和(自身を含む): 69312264

約数和(自身を除く): 38664244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117877, 235754, 471508, 589385, 1178770, 1532401, 2357540, 3064802, 6129604, 7662005, 15324010, 30648020]

約数ペア:

[(1, 30648020), (2, 15324010), (4, 7662005), (5, 6129604), (10, 3064802), (13, 2357540), (20, 1532401), (26, 1178770), (52, 589385), (65, 471508), (130, 235754), (260, 117877)]