12562120

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 28366200

約数和(自身を除く): 15804080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 617, 1018, 1234, 2036, 2468, 2545, 3085, 4072, 4936, 5090, 6170, 10180, 12340, 20360, 24680, 314053, 628106, 1256212, 1570265, 2512424, 3140530, 6281060, 12562120]

約数ペア:

[(1, 12562120), (2, 6281060), (4, 3140530), (5, 2512424), (8, 1570265), (10, 1256212), (20, 628106), (40, 314053), (509, 24680), (617, 20360), (1018, 12340), (1234, 10180), (2036, 6170), (2468, 5090), (2545, 4936), (3085, 4072)]