2015209745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 2554675200

約数和(自身を除く): 539465455

約数列:

[1, 5, 23, 115, 179, 223, 439, 895, 1115, 2195, 4117, 5129, 10097, 20585, 25645, 39917, 50485, 78581, 97897, 199585, 392905, 489485, 918091, 1807363, 2251631, 4590455, 9036815, 11258155, 17523563, 87617815, 403041949, 2015209745]

約数ペア:

[(1, 2015209745), (5, 403041949), (23, 87617815), (115, 17523563), (179, 11258155), (223, 9036815), (439, 4590455), (895, 2251631), (1115, 1807363), (2195, 918091), (4117, 489485), (5129, 392905), (10097, 199585), (20585, 97897), (25645, 78581), (39917, 50485)]