67027280

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4253}}^1$

素因数の和:4463

約数の個数: 40

約数和(自身を含む): 156666312

約数和(自身を除く): 89639032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4253, 7880, 8506, 15760, 17012, 21265, 34024, 42530, 68048, 85060, 170120, 340240, 837841, 1675682, 3351364, 4189205, 6702728, 8378410, 13405456, 16756820, 33513640, 67027280]

約数ペア:

[(1, 67027280), (2, 33513640), (4, 16756820), (5, 13405456), (8, 8378410), (10, 6702728), (16, 4189205), (20, 3351364), (40, 1675682), (80, 837841), (197, 340240), (394, 170120), (788, 85060), (985, 68048), (1576, 42530), (1970, 34024), (3152, 21265), (3940, 17012), (4253, 15760), (7880, 8506)]