28681180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130369}}^1$

素因数の和:130389

約数の個数: 24

約数和(自身を含む): 65706480

約数和(自身を除く): 37025300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130369, 260738, 521476, 651845, 1303690, 1434059, 2607380, 2868118, 5736236, 7170295, 14340590, 28681180]

約数ペア:

[(1, 28681180), (2, 14340590), (4, 7170295), (5, 5736236), (10, 2868118), (11, 2607380), (20, 1434059), (22, 1303690), (44, 651845), (55, 521476), (110, 260738), (220, 130369)]