1228040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2791}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 3015360

約数和(自身を除く): 1787320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2791, 5582, 11164, 13955, 22328, 27910, 30701, 55820, 61402, 111640, 122804, 153505, 245608, 307010, 614020, 1228040]

約数ペア:

[(1, 1228040), (2, 614020), (4, 307010), (5, 245608), (8, 153505), (10, 122804), (11, 111640), (20, 61402), (22, 55820), (40, 30701), (44, 27910), (55, 22328), (88, 13955), (110, 11164), (220, 5582), (440, 2791)]