28395400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12907}}^1$

素因数の和:12934

約数の個数: 48

約数和(自身を含む): 72026640

約数和(自身を除く): 43631240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 12907, 25814, 51628, 64535, 103256, 129070, 141977, 258140, 283954, 322675, 516280, 567908, 645350, 709885, 1135816, 1290700, 1419770, 2581400, 2839540, 3549425, 5679080, 7098850, 14197700, 28395400]

約数ペア:

[(1, 28395400), (2, 14197700), (4, 7098850), (5, 5679080), (8, 3549425), (10, 2839540), (11, 2581400), (20, 1419770), (22, 1290700), (25, 1135816), (40, 709885), (44, 645350), (50, 567908), (55, 516280), (88, 322675), (100, 283954), (110, 258140), (200, 141977), (220, 129070), (275, 103256), (440, 64535), (550, 51628), (1100, 25814), (2200, 12907)]