25564448

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8779}}^1$

素因数の和:8809

約数の個数: 48

約数和(自身を含む): 61951680

約数和(自身を除く): 36387232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 8779, 17558, 35116, 61453, 70232, 114127, 122906, 140464, 228254, 245812, 280928, 456508, 491624, 798889, 913016, 983248, 1597778, 1826032, 1966496, 3195556, 3652064, 6391112, 12782224, 25564448]

約数ペア:

[(1, 25564448), (2, 12782224), (4, 6391112), (7, 3652064), (8, 3195556), (13, 1966496), (14, 1826032), (16, 1597778), (26, 983248), (28, 913016), (32, 798889), (52, 491624), (56, 456508), (91, 280928), (104, 245812), (112, 228254), (182, 140464), (208, 122906), (224, 114127), (364, 70232), (416, 61453), (728, 35116), (1456, 17558), (2912, 8779)]