6442820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5281}}^1$

素因数の和:5351

約数の個数: 24

約数和(自身を含む): 13754328

約数和(自身を除く): 7311508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 5281, 10562, 21124, 26405, 52810, 105620, 322141, 644282, 1288564, 1610705, 3221410, 6442820]

約数ペア:

[(1, 6442820), (2, 3221410), (4, 1610705), (5, 1288564), (10, 644282), (20, 322141), (61, 105620), (122, 52810), (244, 26405), (305, 21124), (610, 10562), (1220, 5281)]