25623728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123191}}^1$

素因数の和:123212

約数の個数: 20

約数和(自身を含む): 53465328

約数和(自身を除く): 27841600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123191, 246382, 492764, 985528, 1601483, 1971056, 3202966, 6405932, 12811864, 25623728]

約数ペア:

[(1, 25623728), (2, 12811864), (4, 6405932), (8, 3202966), (13, 1971056), (16, 1601483), (26, 985528), (52, 492764), (104, 246382), (208, 123191)]