12777440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6143}}^1$

素因数の和:6171

約数の個数: 48

約数和(自身を含む): 32514048

約数和(自身を除く): 19736608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6143, 12286, 24572, 30715, 49144, 61430, 79859, 98288, 122860, 159718, 196576, 245720, 319436, 399295, 491440, 638872, 798590, 982880, 1277744, 1597180, 2555488, 3194360, 6388720, 12777440]

約数ペア:

[(1, 12777440), (2, 6388720), (4, 3194360), (5, 2555488), (8, 1597180), (10, 1277744), (13, 982880), (16, 798590), (20, 638872), (26, 491440), (32, 399295), (40, 319436), (52, 245720), (65, 196576), (80, 159718), (104, 122860), (130, 98288), (160, 79859), (208, 61430), (260, 49144), (416, 30715), (520, 24572), (1040, 12286), (2080, 6143)]