1985720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4535

約数の個数: 32

約数和(自身を含む): 4875120

約数和(自身を除く): 2889400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4513, 9026, 18052, 22565, 36104, 45130, 49643, 90260, 99286, 180520, 198572, 248215, 397144, 496430, 992860, 1985720]

約数ペア:

[(1, 1985720), (2, 992860), (4, 496430), (5, 397144), (8, 248215), (10, 198572), (11, 180520), (20, 99286), (22, 90260), (40, 49643), (44, 45130), (55, 36104), (88, 22565), (110, 18052), (220, 9026), (440, 4513)]