39449780

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2351}}^1$

素因数の和:3199

約数の個数: 24

約数和(自身を含む): 82978560

約数和(自身を除く): 43528780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 2351, 3356, 4195, 4702, 8390, 9404, 11755, 16780, 23510, 47020, 1972489, 3944978, 7889956, 9862445, 19724890, 39449780]

約数ペア:

[(1, 39449780), (2, 19724890), (4, 9862445), (5, 7889956), (10, 3944978), (20, 1972489), (839, 47020), (1678, 23510), (2351, 16780), (3356, 11755), (4195, 9404), (4702, 8390)]