2261480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4349}}^1$

素因数の和:4373

約数の個数: 32

約数和(自身を含む): 5481000

約数和(自身を除く): 3219520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4349, 8698, 17396, 21745, 34792, 43490, 56537, 86980, 113074, 173960, 226148, 282685, 452296, 565370, 1130740, 2261480]

約数ペア:

[(1, 2261480), (2, 1130740), (4, 565370), (5, 452296), (8, 282685), (10, 226148), (13, 173960), (20, 113074), (26, 86980), (40, 56537), (52, 43490), (65, 34792), (104, 21745), (130, 17396), (260, 8698), (520, 4349)]