56495980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 122411520

約数和(自身を除く): 65915540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 367, 430, 716, 734, 860, 895, 1468, 1790, 1835, 3580, 3670, 7340, 7697, 15394, 15781, 30788, 31562, 38485, 63124, 65693, 76970, 78905, 131386, 153940, 157810, 262772, 315620, 328465, 656930, 1313860, 2824799, 5649598, 11299196, 14123995, 28247990, 56495980]

約数ペア:

[(1, 56495980), (2, 28247990), (4, 14123995), (5, 11299196), (10, 5649598), (20, 2824799), (43, 1313860), (86, 656930), (172, 328465), (179, 315620), (215, 262772), (358, 157810), (367, 153940), (430, 131386), (716, 78905), (734, 76970), (860, 65693), (895, 63124), (1468, 38485), (1790, 31562), (1835, 30788), (3580, 15781), (3670, 15394), (7340, 7697)]