13871980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9769}}^1$

素因数の和:9849

約数の個数: 24

約数和(自身を含む): 29544480

約数和(自身を除く): 15672500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9769, 19538, 39076, 48845, 97690, 195380, 693599, 1387198, 2774396, 3467995, 6935990, 13871980]

約数ペア:

[(1, 13871980), (2, 6935990), (4, 3467995), (5, 2774396), (10, 1387198), (20, 693599), (71, 195380), (142, 97690), (284, 48845), (355, 39076), (710, 19538), (1420, 9769)]