160689680

素因数分解:

$2^4\times 5^1\times {\mathrm{2008621}}^1$

素因数の和:2008634

約数の個数: 20

約数和(自身を含む): 373603692

約数和(自身を除く): 212914012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2008621, 4017242, 8034484, 10043105, 16068968, 20086210, 32137936, 40172420, 80344840, 160689680]

約数ペア:

[(1, 160689680), (2, 80344840), (4, 40172420), (5, 32137936), (8, 20086210), (10, 16068968), (16, 10043105), (20, 8034484), (40, 4017242), (80, 2008621)]