25545104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 53663232

約数和(自身を除く): 28118128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 643, 764, 1286, 1528, 2483, 2572, 3056, 4966, 5144, 8359, 9932, 10288, 16718, 19864, 33436, 39728, 66872, 122813, 133744, 245626, 491252, 982504, 1596569, 1965008, 3193138, 6386276, 12772552, 25545104]

約数ペア:

[(1, 25545104), (2, 12772552), (4, 6386276), (8, 3193138), (13, 1965008), (16, 1596569), (26, 982504), (52, 491252), (104, 245626), (191, 133744), (208, 122813), (382, 66872), (643, 39728), (764, 33436), (1286, 19864), (1528, 16718), (2483, 10288), (2572, 9932), (3056, 8359), (4966, 5144)]