80505230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2777}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 156812544

約数和(自身を除く): 76307314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2777, 2899, 5554, 5798, 13885, 14495, 27770, 28990, 36101, 72202, 180505, 361010, 619271, 1238542, 3096355, 6192710, 8050523, 16101046, 40252615, 80505230]

約数ペア:

[(1, 80505230), (2, 40252615), (5, 16101046), (10, 8050523), (13, 6192710), (26, 3096355), (65, 1238542), (130, 619271), (223, 361010), (446, 180505), (1115, 72202), (2230, 36101), (2777, 28990), (2899, 27770), (5554, 14495), (5798, 13885)]