13971380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9839}}^1$

素因数の和:9919

約数の個数: 24

約数和(自身を含む): 29756160

約数和(自身を除く): 15784780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9839, 19678, 39356, 49195, 98390, 196780, 698569, 1397138, 2794276, 3492845, 6985690, 13971380]

約数ペア:

[(1, 13971380), (2, 6985690), (4, 3492845), (5, 2794276), (10, 1397138), (20, 698569), (71, 196780), (142, 98390), (284, 49195), (355, 39356), (710, 19678), (1420, 9839)]