65068480

素因数分解:

$2^6\times 5^1\times {\mathrm{203339}}^1$

素因数の和:203356

約数の個数: 28

約数和(自身を含む): 154945080

約数和(自身を除く): 89876600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203339, 406678, 813356, 1016695, 1626712, 2033390, 3253424, 4066780, 6506848, 8133560, 13013696, 16267120, 32534240, 65068480]

約数ペア:

[(1, 65068480), (2, 32534240), (4, 16267120), (5, 13013696), (8, 8133560), (10, 6506848), (16, 4066780), (20, 3253424), (32, 2033390), (40, 1626712), (64, 1016695), (80, 813356), (160, 406678), (320, 203339)]