12138940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 16891460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2399, 2530, 4798, 5060, 9596, 11995, 23990, 26389, 47980, 52778, 55177, 105556, 110354, 131945, 220708, 263890, 275885, 527780, 551770, 606947, 1103540, 1213894, 2427788, 3034735, 6069470, 12138940]

約数ペア:

[(1, 12138940), (2, 6069470), (4, 3034735), (5, 2427788), (10, 1213894), (11, 1103540), (20, 606947), (22, 551770), (23, 527780), (44, 275885), (46, 263890), (55, 220708), (92, 131945), (110, 110354), (115, 105556), (220, 55177), (230, 52778), (253, 47980), (460, 26389), (506, 23990), (1012, 11995), (1265, 9596), (2399, 5060), (2530, 4798)]