2561936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 5442360

約数和(自身を除く): 2880424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 113, 208, 218, 226, 436, 452, 872, 904, 1417, 1469, 1744, 1808, 2834, 2938, 5668, 5876, 11336, 11752, 12317, 22672, 23504, 24634, 49268, 98536, 160121, 197072, 320242, 640484, 1280968, 2561936]

約数ペア:

[(1, 2561936), (2, 1280968), (4, 640484), (8, 320242), (13, 197072), (16, 160121), (26, 98536), (52, 49268), (104, 24634), (109, 23504), (113, 22672), (208, 12317), (218, 11752), (226, 11336), (436, 5876), (452, 5668), (872, 2938), (904, 2834), (1417, 1808), (1469, 1744)]