25465648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 53496576

約数和(自身を除く): 28030928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 641, 764, 1282, 1528, 2483, 2564, 3056, 4966, 5128, 8333, 9932, 10256, 16666, 19864, 33332, 39728, 66664, 122431, 133328, 244862, 489724, 979448, 1591603, 1958896, 3183206, 6366412, 12732824, 25465648]

約数ペア:

[(1, 25465648), (2, 12732824), (4, 6366412), (8, 3183206), (13, 1958896), (16, 1591603), (26, 979448), (52, 489724), (104, 244862), (191, 133328), (208, 122431), (382, 66664), (641, 39728), (764, 33332), (1282, 19864), (1528, 16666), (2483, 10256), (2564, 9932), (3056, 8333), (4966, 5128)]