31159060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21943}}^1$

素因数の和:22023

約数の個数: 24

約数和(自身を含む): 66358656

約数和(自身を除く): 35199596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21943, 43886, 87772, 109715, 219430, 438860, 1557953, 3115906, 6231812, 7789765, 15579530, 31159060]

約数ペア:

[(1, 31159060), (2, 15579530), (4, 7789765), (5, 6231812), (10, 3115906), (20, 1557953), (71, 438860), (142, 219430), (284, 109715), (355, 87772), (710, 43886), (1420, 21943)]