2188120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:4995

約数の個数: 32

約数和(自身を含む): 5371920

約数和(自身を除く): 3183800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4973, 9946, 19892, 24865, 39784, 49730, 54703, 99460, 109406, 198920, 218812, 273515, 437624, 547030, 1094060, 2188120]

約数ペア:

[(1, 2188120), (2, 1094060), (4, 547030), (5, 437624), (8, 273515), (10, 218812), (11, 198920), (20, 109406), (22, 99460), (40, 54703), (44, 49730), (55, 39784), (88, 24865), (110, 19892), (220, 9946), (440, 4973)]