2243120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2549}}^1$

素因数の和:2573

約数の個数: 40

約数和(自身を含む): 5691600

約数和(自身を除く): 3448480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2549, 5098, 10196, 12745, 20392, 25490, 28039, 40784, 50980, 56078, 101960, 112156, 140195, 203920, 224312, 280390, 448624, 560780, 1121560, 2243120]

約数ペア:

[(1, 2243120), (2, 1121560), (4, 560780), (5, 448624), (8, 280390), (10, 224312), (11, 203920), (16, 140195), (20, 112156), (22, 101960), (40, 56078), (44, 50980), (55, 40784), (80, 28039), (88, 25490), (110, 20392), (176, 12745), (220, 10196), (440, 5098), (880, 2549)]