81116480

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8741}}^1$

素因数の和:8787

約数の個数: 56

約数和(自身を含む): 199842120

約数和(自身を除く): 118725640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 8741, 9280, 17482, 34964, 43705, 69928, 87410, 139856, 174820, 253489, 279712, 349640, 506978, 559424, 699280, 1013956, 1267445, 1398560, 2027912, 2534890, 2797120, 4055824, 5069780, 8111648, 10139560, 16223296, 20279120, 40558240, 81116480]

約数ペア:

[(1, 81116480), (2, 40558240), (4, 20279120), (5, 16223296), (8, 10139560), (10, 8111648), (16, 5069780), (20, 4055824), (29, 2797120), (32, 2534890), (40, 2027912), (58, 1398560), (64, 1267445), (80, 1013956), (116, 699280), (145, 559424), (160, 506978), (232, 349640), (290, 279712), (320, 253489), (464, 174820), (580, 139856), (928, 87410), (1160, 69928), (1856, 43705), (2320, 34964), (4640, 17482), (8741, 9280)]