81140576

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3907}}^1$

素因数の和:3987

約数の個数: 48

約数和(自身を含む): 177266880

約数和(自身を除く): 96126304

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 88, 118, 176, 236, 352, 472, 649, 944, 1298, 1888, 2596, 3907, 5192, 7814, 10384, 15628, 20768, 31256, 42977, 62512, 85954, 125024, 171908, 230513, 343816, 461026, 687632, 922052, 1375264, 1844104, 2535643, 3688208, 5071286, 7376416, 10142572, 20285144, 40570288, 81140576]

約数ペア:

[(1, 81140576), (2, 40570288), (4, 20285144), (8, 10142572), (11, 7376416), (16, 5071286), (22, 3688208), (32, 2535643), (44, 1844104), (59, 1375264), (88, 922052), (118, 687632), (176, 461026), (236, 343816), (352, 230513), (472, 171908), (649, 125024), (944, 85954), (1298, 62512), (1888, 42977), (2596, 31256), (3907, 20768), (5192, 15628), (7814, 10384)]