31395380

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1871}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 66044160

約数和(自身を除く): 34648780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 1871, 3356, 3742, 4195, 7484, 8390, 9355, 16780, 18710, 37420, 1569769, 3139538, 6279076, 7848845, 15697690, 31395380]

約数ペア:

[(1, 31395380), (2, 15697690), (4, 7848845), (5, 6279076), (10, 3139538), (20, 1569769), (839, 37420), (1678, 18710), (1871, 16780), (3356, 9355), (3742, 8390), (4195, 7484)]