12735140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 29502144

約数和(自身を除く): 16767004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 541, 1070, 1082, 1177, 2140, 2164, 2354, 2705, 4708, 5410, 5885, 5951, 10820, 11770, 11902, 23540, 23804, 29755, 57887, 59510, 115774, 119020, 231548, 289435, 578870, 636757, 1157740, 1273514, 2547028, 3183785, 6367570, 12735140]

約数ペア:

[(1, 12735140), (2, 6367570), (4, 3183785), (5, 2547028), (10, 1273514), (11, 1157740), (20, 636757), (22, 578870), (44, 289435), (55, 231548), (107, 119020), (110, 115774), (214, 59510), (220, 57887), (428, 29755), (535, 23804), (541, 23540), (1070, 11902), (1082, 11770), (1177, 10820), (2140, 5951), (2164, 5885), (2354, 5410), (2705, 4708)]