80494840

素因数分解:

$2^3\times 5^1\times {\mathrm{2012371}}^1$

素因数の和:2012382

約数の個数: 16

約数和(自身を含む): 181113480

約数和(自身を除く): 100618640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012371, 4024742, 8049484, 10061855, 16098968, 20123710, 40247420, 80494840]

約数ペア:

[(1, 80494840), (2, 40247420), (4, 20123710), (5, 16098968), (8, 10061855), (10, 8049484), (20, 4024742), (40, 2012371)]