20139038840

素因数分解:

$2^3\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{250361}}^1$

素因数の和:252383

約数の個数: 32

約数和(自身を含む): 45335550960

約数和(自身を除く): 25196512120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011, 4022, 8044, 10055, 16088, 20110, 40220, 80440, 250361, 500722, 1001444, 1251805, 2002888, 2503610, 5007220, 10014440, 503475971, 1006951942, 2013903884, 2517379855, 4027807768, 5034759710, 10069519420, 20139038840]

約数ペア:

[(1, 20139038840), (2, 10069519420), (4, 5034759710), (5, 4027807768), (8, 2517379855), (10, 2013903884), (20, 1006951942), (40, 503475971), (2011, 10014440), (4022, 5007220), (8044, 2503610), (10055, 2002888), (16088, 1251805), (20110, 1001444), (40220, 500722), (80440, 250361)]