253134440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{486797}}^1$

素因数の和:486821

約数の個数: 32

約数和(自身を含む): 613365480

約数和(自身を除く): 360231040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 486797, 973594, 1947188, 2433985, 3894376, 4867970, 6328361, 9735940, 12656722, 19471880, 25313444, 31641805, 50626888, 63283610, 126567220, 253134440]

約数ペア:

[(1, 253134440), (2, 126567220), (4, 63283610), (5, 50626888), (8, 31641805), (10, 25313444), (13, 19471880), (20, 12656722), (26, 9735940), (40, 6328361), (52, 4867970), (65, 3894376), (104, 2433985), (130, 1947188), (260, 973594), (520, 486797)]