27444440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 65124000

約数和(自身を除く): 37679560

約数列:

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

約数ペア:

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