1122440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2551}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 2756160

約数和(自身を除く): 1633720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2551, 5102, 10204, 12755, 20408, 25510, 28061, 51020, 56122, 102040, 112244, 140305, 224488, 280610, 561220, 1122440]

約数ペア:

[(1, 1122440), (2, 561220), (4, 280610), (5, 224488), (8, 140305), (10, 112244), (11, 102040), (20, 56122), (22, 51020), (40, 28061), (44, 25510), (55, 20408), (88, 12755), (110, 10204), (220, 5102), (440, 2551)]