1279244236040

素因数分解:

$2^3\times 5^1\times {\mathrm{31981105901}}^1$

素因数の和:31981105912

約数の個数: 16

約数和(自身を含む): 2878299531180

約数和(自身を除く): 1599055295140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31981105901, 63962211802, 127924423604, 159905529505, 255848847208, 319811059010, 639622118020, 1279244236040]

約数ペア:

[(1, 1279244236040), (2, 639622118020), (4, 319811059010), (5, 255848847208), (8, 159905529505), (10, 127924423604), (20, 63962211802), (40, 31981105901)]