28636270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220279}}^1$

素因数の和:220299

約数の個数: 16

約数和(自身を含む): 55510560

約数和(自身を除く): 26874290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220279, 440558, 1101395, 2202790, 2863627, 5727254, 14318135, 28636270]

約数ペア:

[(1, 28636270), (2, 14318135), (5, 5727254), (10, 2863627), (13, 2202790), (26, 1101395), (65, 440558), (130, 220279)]