5380180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20693}}^1$

素因数の和:20715

約数の個数: 24

約数和(自身を含む): 12168072

約数和(自身を除く): 6787892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20693, 41386, 82772, 103465, 206930, 269009, 413860, 538018, 1076036, 1345045, 2690090, 5380180]

約数ペア:

[(1, 5380180), (2, 2690090), (4, 1345045), (5, 1076036), (10, 538018), (13, 413860), (20, 269009), (26, 206930), (52, 103465), (65, 82772), (130, 41386), (260, 20693)]