25520990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12211}}^1$

素因数の和:12248

約数の個数: 32

約数和(自身を含む): 52755840

約数和(自身を除く): 27234850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 12211, 24422, 61055, 122110, 134321, 232009, 268642, 464018, 671605, 1160045, 1343210, 2320090, 2552099, 5104198, 12760495, 25520990]

約数ペア:

[(1, 25520990), (2, 12760495), (5, 5104198), (10, 2552099), (11, 2320090), (19, 1343210), (22, 1160045), (38, 671605), (55, 464018), (95, 268642), (110, 232009), (190, 134321), (209, 122110), (418, 61055), (1045, 24422), (2090, 12211)]