165302020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{635777}}^1$

素因数の和:635799

約数の個数: 24

約数和(自身を含む): 373837464

約数和(自身を除く): 208535444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 635777, 1271554, 2543108, 3178885, 6357770, 8265101, 12715540, 16530202, 33060404, 41325505, 82651010, 165302020]

約数ペア:

[(1, 165302020), (2, 82651010), (4, 41325505), (5, 33060404), (10, 16530202), (13, 12715540), (20, 8265101), (26, 6357770), (52, 3178885), (65, 2543108), (130, 1271554), (260, 635777)]