43881220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20129}}^1$

素因数の和:20247

約数の個数: 24

約数和(自身を含む): 93000600

約数和(自身を除く): 49119380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 20129, 40258, 80516, 100645, 201290, 402580, 2194061, 4388122, 8776244, 10970305, 21940610, 43881220]

約数ペア:

[(1, 43881220), (2, 21940610), (4, 10970305), (5, 8776244), (10, 4388122), (20, 2194061), (109, 402580), (218, 201290), (436, 100645), (545, 80516), (1090, 40258), (2180, 20129)]