155552185

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 190080000

約数和(自身を除く): 34527815

約数列:

[1, 5, 79, 197, 395, 985, 1999, 9995, 15563, 77815, 157921, 393803, 789605, 1969015, 31110437, 155552185]

約数ペア:

[(1, 155552185), (5, 31110437), (79, 1969015), (197, 789605), (395, 393803), (985, 157921), (1999, 77815), (9995, 15563)]