85178480

素因数分解:

$2^4\times 5^1\times {\mathrm{1064731}}^1$

素因数の和:1064744

約数の個数: 20

約数和(自身を含む): 198040152

約数和(自身を除く): 112861672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1064731, 2129462, 4258924, 5323655, 8517848, 10647310, 17035696, 21294620, 42589240, 85178480]

約数ペア:

[(1, 85178480), (2, 42589240), (4, 21294620), (5, 17035696), (8, 10647310), (10, 8517848), (16, 5323655), (20, 4258924), (40, 2129462), (80, 1064731)]