25460656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 40

約数和(自身を含む): 53659760

約数和(自身を除く): 28199104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1123, 1417, 1744, 2246, 2834, 4492, 5668, 8984, 11336, 14599, 17968, 22672, 29198, 58396, 116792, 122407, 233584, 244814, 489628, 979256, 1591291, 1958512, 3182582, 6365164, 12730328, 25460656]

約数ペア:

[(1, 25460656), (2, 12730328), (4, 6365164), (8, 3182582), (13, 1958512), (16, 1591291), (26, 979256), (52, 489628), (104, 244814), (109, 233584), (208, 122407), (218, 116792), (436, 58396), (872, 29198), (1123, 22672), (1417, 17968), (1744, 14599), (2246, 11336), (2834, 8984), (4492, 5668)]