1318167280

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{52981}}^1$

素因数の和:53305

約数の個数: 40

約数和(自身を含む): 3074651424

約数和(自身を除く): 1756484144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 52981, 105962, 211924, 264905, 423848, 529810, 847696, 1059620, 2119240, 4238480, 16477091, 32954182, 65908364, 82385455, 131816728, 164770910, 263633456, 329541820, 659083640, 1318167280]

約数ペア:

[(1, 1318167280), (2, 659083640), (4, 329541820), (5, 263633456), (8, 164770910), (10, 131816728), (16, 82385455), (20, 65908364), (40, 32954182), (80, 16477091), (311, 4238480), (622, 2119240), (1244, 1059620), (1555, 847696), (2488, 529810), (3110, 423848), (4976, 264905), (6220, 211924), (12440, 105962), (24880, 52981)]