13211540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9049}}^1$

素因数の和:9131

約数の個数: 24

約数和(自身を含む): 28127400

約数和(自身を除く): 14915860

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 9049, 18098, 36196, 45245, 90490, 180980, 660577, 1321154, 2642308, 3302885, 6605770, 13211540]

約数ペア:

[(1, 13211540), (2, 6605770), (4, 3302885), (5, 2642308), (10, 1321154), (20, 660577), (73, 180980), (146, 90490), (292, 45245), (365, 36196), (730, 18098), (1460, 9049)]