2545480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9091}}^1$

素因数の和:9109

約数の個数: 32

約数和(自身を含む): 6546240

約数和(自身を除く): 4000760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9091, 18182, 36364, 45455, 63637, 72728, 90910, 127274, 181820, 254548, 318185, 363640, 509096, 636370, 1272740, 2545480]

約数ペア:

[(1, 2545480), (2, 1272740), (4, 636370), (5, 509096), (7, 363640), (8, 318185), (10, 254548), (14, 181820), (20, 127274), (28, 90910), (35, 72728), (40, 63637), (56, 45455), (70, 36364), (140, 18182), (280, 9091)]