28207300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25643}}^1$

素因数の和:25668

約数の個数: 36

約数和(自身を含む): 66776976

約数和(自身を除く): 38569676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 25643, 51286, 102572, 128215, 256430, 282073, 512860, 564146, 641075, 1128292, 1282150, 1410365, 2564300, 2820730, 5641460, 7051825, 14103650, 28207300]

約数ペア:

[(1, 28207300), (2, 14103650), (4, 7051825), (5, 5641460), (10, 2820730), (11, 2564300), (20, 1410365), (22, 1282150), (25, 1128292), (44, 641075), (50, 564146), (55, 512860), (100, 282073), (110, 256430), (220, 128215), (275, 102572), (550, 51286), (1100, 25643)]