12840740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58367}}^1$

素因数の和:58387

約数の個数: 24

約数和(自身を含む): 29417472

約数和(自身を除く): 16576732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58367, 116734, 233468, 291835, 583670, 642037, 1167340, 1284074, 2568148, 3210185, 6420370, 12840740]

約数ペア:

[(1, 12840740), (2, 6420370), (4, 3210185), (5, 2568148), (10, 1284074), (11, 1167340), (20, 642037), (22, 583670), (44, 291835), (55, 233468), (110, 116734), (220, 58367)]