28061000

素因数分解:

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

素因数の和:2583

約数の個数: 64

約数和(自身を含む): 71660160

約数和(自身を除く): 43599160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2551, 2750, 5102, 5500, 10204, 11000, 12755, 20408, 25510, 28061, 51020, 56122, 63775, 102040, 112244, 127550, 140305, 224488, 255100, 280610, 318875, 510200, 561220, 637750, 701525, 1122440, 1275500, 1403050, 2551000, 2806100, 3507625, 5612200, 7015250, 14030500, 28061000]

約数ペア:

[(1, 28061000), (2, 14030500), (4, 7015250), (5, 5612200), (8, 3507625), (10, 2806100), (11, 2551000), (20, 1403050), (22, 1275500), (25, 1122440), (40, 701525), (44, 637750), (50, 561220), (55, 510200), (88, 318875), (100, 280610), (110, 255100), (125, 224488), (200, 140305), (220, 127550), (250, 112244), (275, 102040), (440, 63775), (500, 56122), (550, 51020), (1000, 28061), (1100, 25510), (1375, 20408), (2200, 12755), (2551, 11000), (2750, 10204), (5102, 5500)]