513029560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{787}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 1185782400

約数和(自身を除く): 672752840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 379, 430, 758, 787, 860, 1516, 1574, 1720, 1895, 3032, 3148, 3790, 3935, 6296, 7580, 7870, 15160, 15740, 16297, 31480, 32594, 33841, 65188, 67682, 81485, 130376, 135364, 162970, 169205, 270728, 298273, 325940, 338410, 596546, 651880, 676820, 1193092, 1353640, 1491365, 2386184, 2982730, 5965460, 11930920, 12825739, 25651478, 51302956, 64128695, 102605912, 128257390, 256514780, 513029560]

約数ペア:

[(1, 513029560), (2, 256514780), (4, 128257390), (5, 102605912), (8, 64128695), (10, 51302956), (20, 25651478), (40, 12825739), (43, 11930920), (86, 5965460), (172, 2982730), (215, 2386184), (344, 1491365), (379, 1353640), (430, 1193092), (758, 676820), (787, 651880), (860, 596546), (1516, 338410), (1574, 325940), (1720, 298273), (1895, 270728), (3032, 169205), (3148, 162970), (3790, 135364), (3935, 130376), (6296, 81485), (7580, 67682), (7870, 65188), (15160, 33841), (15740, 32594), (16297, 31480)]