2815780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12799}}^1$

素因数の和:12819

約数の個数: 24

約数和(自身を含む): 6451200

約数和(自身を除く): 3635420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12799, 25598, 51196, 63995, 127990, 140789, 255980, 281578, 563156, 703945, 1407890, 2815780]

約数ペア:

[(1, 2815780), (2, 1407890), (4, 703945), (5, 563156), (10, 281578), (11, 255980), (20, 140789), (22, 127990), (44, 63995), (55, 51196), (110, 25598), (220, 12799)]