91319960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53093}}^1$

素因数の和:53147

約数の個数: 32

約数和(自身を含む): 210252240

約数和(自身を除く): 118932280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 53093, 106186, 212372, 265465, 424744, 530930, 1061860, 2123720, 2282999, 4565998, 9131996, 11414995, 18263992, 22829990, 45659980, 91319960]

約数ペア:

[(1, 91319960), (2, 45659980), (4, 22829990), (5, 18263992), (8, 11414995), (10, 9131996), (20, 4565998), (40, 2282999), (43, 2123720), (86, 1061860), (172, 530930), (215, 424744), (344, 265465), (430, 212372), (860, 106186), (1720, 53093)]