12823540

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 26998272

約数和(自身を除く): 14174732

約数列:

[1, 2, 4, 5, 10, 20, 647, 991, 1294, 1982, 2588, 3235, 3964, 4955, 6470, 9910, 12940, 19820, 641177, 1282354, 2564708, 3205885, 6411770, 12823540]

約数ペア:

[(1, 12823540), (2, 6411770), (4, 3205885), (5, 2564708), (10, 1282354), (20, 641177), (647, 19820), (991, 12940), (1294, 9910), (1982, 6470), (2588, 4955), (3235, 3964)]