54888880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 134589600

約数和(自身を除く): 79700720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 232, 236, 290, 295, 401, 464, 472, 580, 590, 802, 944, 1160, 1180, 1604, 1711, 2005, 2320, 2360, 3208, 3422, 4010, 4720, 6416, 6844, 8020, 8555, 11629, 13688, 16040, 17110, 23258, 23659, 27376, 32080, 34220, 46516, 47318, 58145, 68440, 93032, 94636, 116290, 118295, 136880, 186064, 189272, 232580, 236590, 378544, 465160, 473180, 686111, 930320, 946360, 1372222, 1892720, 2744444, 3430555, 5488888, 6861110, 10977776, 13722220, 27444440, 54888880]

約数ペア:

[(1, 54888880), (2, 27444440), (4, 13722220), (5, 10977776), (8, 6861110), (10, 5488888), (16, 3430555), (20, 2744444), (29, 1892720), (40, 1372222), (58, 946360), (59, 930320), (80, 686111), (116, 473180), (118, 465160), (145, 378544), (232, 236590), (236, 232580), (290, 189272), (295, 186064), (401, 136880), (464, 118295), (472, 116290), (580, 94636), (590, 93032), (802, 68440), (944, 58145), (1160, 47318), (1180, 46516), (1604, 34220), (1711, 32080), (2005, 27376), (2320, 23659), (2360, 23258), (3208, 17110), (3422, 16040), (4010, 13688), (4720, 11629), (6416, 8555), (6844, 8020)]