139514440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268297}}^1$

素因数の和:268321

約数の個数: 32

約数和(自身を含む): 338055480

約数和(自身を除く): 198541040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268297, 536594, 1073188, 1341485, 2146376, 2682970, 3487861, 5365940, 6975722, 10731880, 13951444, 17439305, 27902888, 34878610, 69757220, 139514440]

約数ペア:

[(1, 139514440), (2, 69757220), (4, 34878610), (5, 27902888), (8, 17439305), (10, 13951444), (13, 10731880), (20, 6975722), (26, 5365940), (40, 3487861), (52, 2682970), (65, 2146376), (104, 1341485), (130, 1073188), (260, 536594), (520, 268297)]