28514860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11783}}^1$

素因数の和:11814

約数の個数: 36

約数和(自身を含む): 65825424

約数和(自身を除く): 37310564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11783, 23566, 47132, 58915, 117830, 129613, 235660, 259226, 518452, 648065, 1296130, 1425743, 2592260, 2851486, 5702972, 7128715, 14257430, 28514860]

約数ペア:

[(1, 28514860), (2, 14257430), (4, 7128715), (5, 5702972), (10, 2851486), (11, 2592260), (20, 1425743), (22, 1296130), (44, 648065), (55, 518452), (110, 259226), (121, 235660), (220, 129613), (242, 117830), (484, 58915), (605, 47132), (1210, 23566), (2420, 11783)]