39996680

素因数分解:

$2^3\times 5^1\times {\mathrm{999917}}^1$

素因数の和:999928

約数の個数: 16

約数和(自身を含む): 89992620

約数和(自身を除く): 49995940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 999917, 1999834, 3999668, 4999585, 7999336, 9999170, 19998340, 39996680]

約数ペア:

[(1, 39996680), (2, 19998340), (4, 9999170), (5, 7999336), (8, 4999585), (10, 3999668), (20, 1999834), (40, 999917)]