78393920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22271}}^1$

素因数の和:22299

約数の個数: 56

約数和(自身を含む): 203655168

約数和(自身を除く): 125261248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 22271, 44542, 89084, 111355, 178168, 222710, 244981, 356336, 445420, 489962, 712672, 890840, 979924, 1224905, 1425344, 1781680, 1959848, 2449810, 3563360, 3919696, 4899620, 7126720, 7839392, 9799240, 15678784, 19598480, 39196960, 78393920]

約数ペア:

[(1, 78393920), (2, 39196960), (4, 19598480), (5, 15678784), (8, 9799240), (10, 7839392), (11, 7126720), (16, 4899620), (20, 3919696), (22, 3563360), (32, 2449810), (40, 1959848), (44, 1781680), (55, 1425344), (64, 1224905), (80, 979924), (88, 890840), (110, 712672), (160, 489962), (176, 445420), (220, 356336), (320, 244981), (352, 222710), (440, 178168), (704, 111355), (880, 89084), (1760, 44542), (3520, 22271)]