127348520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244901}}^1$

素因数の和:244925

約数の個数: 32

約数和(自身を含む): 308576520

約数和(自身を除く): 181228000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 244901, 489802, 979604, 1224505, 1959208, 2449010, 3183713, 4898020, 6367426, 9796040, 12734852, 15918565, 25469704, 31837130, 63674260, 127348520]

約数ペア:

[(1, 127348520), (2, 63674260), (4, 31837130), (5, 25469704), (8, 15918565), (10, 12734852), (13, 9796040), (20, 6367426), (26, 4898020), (40, 3183713), (52, 2449010), (65, 1959208), (104, 1224505), (130, 979604), (260, 489802), (520, 244901)]