166716492020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641217277}}^1$

素因数の和:641217299

約数の個数: 24

約数和(自身を含む): 377035759464

約数和(自身を除く): 210319267444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641217277, 1282434554, 2564869108, 3206086385, 6412172770, 8335824601, 12824345540, 16671649202, 33343298404, 41679123005, 83358246010, 166716492020]

約数ペア:

[(1, 166716492020), (2, 83358246010), (4, 41679123005), (5, 33343298404), (10, 16671649202), (13, 12824345540), (20, 8335824601), (26, 6412172770), (52, 3206086385), (65, 2564869108), (130, 1282434554), (260, 641217277)]