13956940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16229}}^1$

素因数の和:16281

約数の個数: 24

約数和(自身を含む): 29993040

約数和(自身を除く): 16036100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 16229, 32458, 64916, 81145, 162290, 324580, 697847, 1395694, 2791388, 3489235, 6978470, 13956940]

約数ペア:

[(1, 13956940), (2, 6978470), (4, 3489235), (5, 2791388), (10, 1395694), (20, 697847), (43, 324580), (86, 162290), (172, 81145), (215, 64916), (430, 32458), (860, 16229)]