12740620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27697}}^1$

素因数の和:27729

約数の個数: 24

約数和(自身を含む): 27919584

約数和(自身を除く): 15178964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27697, 55394, 110788, 138485, 276970, 553940, 637031, 1274062, 2548124, 3185155, 6370310, 12740620]

約数ペア:

[(1, 12740620), (2, 6370310), (4, 3185155), (5, 2548124), (10, 1274062), (20, 637031), (23, 553940), (46, 276970), (92, 138485), (115, 110788), (230, 55394), (460, 27697)]