51496640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12379}}^1$

素因数の和:12409

約数の個数: 56

約数和(自身を含む): 132069840

約数和(自身を除く): 80573200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 12379, 24758, 49516, 61895, 99032, 123790, 160927, 198064, 247580, 321854, 396128, 495160, 643708, 792256, 804635, 990320, 1287416, 1609270, 1980640, 2574832, 3218540, 3961280, 5149664, 6437080, 10299328, 12874160, 25748320, 51496640]

約数ペア:

[(1, 51496640), (2, 25748320), (4, 12874160), (5, 10299328), (8, 6437080), (10, 5149664), (13, 3961280), (16, 3218540), (20, 2574832), (26, 1980640), (32, 1609270), (40, 1287416), (52, 990320), (64, 804635), (65, 792256), (80, 643708), (104, 495160), (130, 396128), (160, 321854), (208, 247580), (260, 198064), (320, 160927), (416, 123790), (520, 99032), (832, 61895), (1040, 49516), (2080, 24758), (4160, 12379)]