28461680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27367}}^1$

素因数の和:27393

約数の個数: 40

約数和(自身を含む): 71266272

約数和(自身を除く): 42804592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27367, 54734, 109468, 136835, 218936, 273670, 355771, 437872, 547340, 711542, 1094680, 1423084, 1778855, 2189360, 2846168, 3557710, 5692336, 7115420, 14230840, 28461680]

約数ペア:

[(1, 28461680), (2, 14230840), (4, 7115420), (5, 5692336), (8, 3557710), (10, 2846168), (13, 2189360), (16, 1778855), (20, 1423084), (26, 1094680), (40, 711542), (52, 547340), (65, 437872), (80, 355771), (104, 273670), (130, 218936), (208, 136835), (260, 109468), (520, 54734), (1040, 27367)]