25062980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 54493824

約数和(自身を除く): 29430844

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 193, 215, 302, 386, 430, 604, 755, 772, 860, 965, 1510, 1930, 3020, 3860, 6493, 8299, 12986, 16598, 25972, 29143, 32465, 33196, 41495, 58286, 64930, 82990, 116572, 129860, 145715, 165980, 291430, 582860, 1253149, 2506298, 5012596, 6265745, 12531490, 25062980]

約数ペア:

[(1, 25062980), (2, 12531490), (4, 6265745), (5, 5012596), (10, 2506298), (20, 1253149), (43, 582860), (86, 291430), (151, 165980), (172, 145715), (193, 129860), (215, 116572), (302, 82990), (386, 64930), (430, 58286), (604, 41495), (755, 33196), (772, 32465), (860, 29143), (965, 25972), (1510, 16598), (1930, 12986), (3020, 8299), (3860, 6493)]