31896040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 79470720

約数和(自身を除く): 47574680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1021, 1420, 1562, 2042, 2840, 3124, 3905, 4084, 5105, 6248, 7810, 8168, 10210, 11231, 15620, 20420, 22462, 31240, 40840, 44924, 56155, 72491, 89848, 112310, 144982, 224620, 289964, 362455, 449240, 579928, 724910, 797401, 1449820, 1594802, 2899640, 3189604, 3987005, 6379208, 7974010, 15948020, 31896040]

約数ペア:

[(1, 31896040), (2, 15948020), (4, 7974010), (5, 6379208), (8, 3987005), (10, 3189604), (11, 2899640), (20, 1594802), (22, 1449820), (40, 797401), (44, 724910), (55, 579928), (71, 449240), (88, 362455), (110, 289964), (142, 224620), (220, 144982), (284, 112310), (355, 89848), (440, 72491), (568, 56155), (710, 44924), (781, 40840), (1021, 31240), (1420, 22462), (1562, 20420), (2042, 15620), (2840, 11231), (3124, 10210), (3905, 8168), (4084, 7810), (5105, 6248)]