51480880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 80

約数和(自身を含む): 137491200

約数和(自身を除く): 86010320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3079, 3344, 4180, 6158, 8360, 12316, 15395, 16720, 24632, 30790, 33869, 49264, 58501, 61580, 67738, 117002, 123160, 135476, 169345, 234004, 246320, 270952, 292505, 338690, 468008, 541904, 585010, 643511, 677380, 936016, 1170020, 1287022, 1354760, 2340040, 2574044, 2709520, 3217555, 4680080, 5148088, 6435110, 10296176, 12870220, 25740440, 51480880]

約数ペア:

[(1, 51480880), (2, 25740440), (4, 12870220), (5, 10296176), (8, 6435110), (10, 5148088), (11, 4680080), (16, 3217555), (19, 2709520), (20, 2574044), (22, 2340040), (38, 1354760), (40, 1287022), (44, 1170020), (55, 936016), (76, 677380), (80, 643511), (88, 585010), (95, 541904), (110, 468008), (152, 338690), (176, 292505), (190, 270952), (209, 246320), (220, 234004), (304, 169345), (380, 135476), (418, 123160), (440, 117002), (760, 67738), (836, 61580), (880, 58501), (1045, 49264), (1520, 33869), (1672, 30790), (2090, 24632), (3079, 16720), (3344, 15395), (4180, 12316), (6158, 8360)]