331390240

素因数分解:

$2^5\times 5^1\times {\mathrm{2071189}}^1$

素因数の和:2071204

約数の個数: 24

約数和(自身を含む): 782909820

約数和(自身を除く): 451519580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2071189, 4142378, 8284756, 10355945, 16569512, 20711890, 33139024, 41423780, 66278048, 82847560, 165695120, 331390240]

約数ペア:

[(1, 331390240), (2, 165695120), (4, 82847560), (5, 66278048), (8, 41423780), (10, 33139024), (16, 20711890), (20, 16569512), (32, 10355945), (40, 8284756), (80, 4142378), (160, 2071189)]