25615616

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 56659680

約数和(自身を除く): 31044064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 179, 208, 256, 344, 358, 416, 559, 688, 716, 832, 1118, 1376, 1432, 1664, 2236, 2327, 2752, 2864, 3328, 4472, 4654, 5504, 5728, 7697, 8944, 9308, 11008, 11456, 15394, 17888, 18616, 22912, 30788, 35776, 37232, 45824, 61576, 71552, 74464, 100061, 123152, 143104, 148928, 200122, 246304, 297856, 400244, 492608, 595712, 800488, 985216, 1600976, 1970432, 3201952, 6403904, 12807808, 25615616]

約数ペア:

[(1, 25615616), (2, 12807808), (4, 6403904), (8, 3201952), (13, 1970432), (16, 1600976), (26, 985216), (32, 800488), (43, 595712), (52, 492608), (64, 400244), (86, 297856), (104, 246304), (128, 200122), (172, 148928), (179, 143104), (208, 123152), (256, 100061), (344, 74464), (358, 71552), (416, 61576), (559, 45824), (688, 37232), (716, 35776), (832, 30788), (1118, 22912), (1376, 18616), (1432, 17888), (1664, 15394), (2236, 11456), (2327, 11008), (2752, 9308), (2864, 8944), (3328, 7697), (4472, 5728), (4654, 5504)]