81360280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107053}}^1$

素因数の和:107083

約数の個数: 32

約数和(自身を含む): 192697200

約数和(自身を除く): 111336920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 107053, 214106, 428212, 535265, 856424, 1070530, 2034007, 2141060, 4068014, 4282120, 8136028, 10170035, 16272056, 20340070, 40680140, 81360280]

約数ペア:

[(1, 81360280), (2, 40680140), (4, 20340070), (5, 16272056), (8, 10170035), (10, 8136028), (19, 4282120), (20, 4068014), (38, 2141060), (40, 2034007), (76, 1070530), (95, 856424), (152, 535265), (190, 428212), (380, 214106), (760, 107053)]