123908840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25601}}^1$

素因数の和:25634

約数の個数: 48

約数和(自身を含む): 306455940

約数和(自身を除く): 182547100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 25601, 51202, 102404, 128005, 204808, 256010, 281611, 512020, 563222, 1024040, 1126444, 1408055, 2252888, 2816110, 3097721, 5632220, 6195442, 11264440, 12390884, 15488605, 24781768, 30977210, 61954420, 123908840]

約数ペア:

[(1, 123908840), (2, 61954420), (4, 30977210), (5, 24781768), (8, 15488605), (10, 12390884), (11, 11264440), (20, 6195442), (22, 5632220), (40, 3097721), (44, 2816110), (55, 2252888), (88, 1408055), (110, 1126444), (121, 1024040), (220, 563222), (242, 512020), (440, 281611), (484, 256010), (605, 204808), (968, 128005), (1210, 102404), (2420, 51202), (4840, 25601)]