81931810

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{3709}}^1$

素因数の和:3810

約数の個数: 24

約数和(自身を含む): 150722460

約数和(自身を除く): 68790650

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 2209, 3709, 4418, 7418, 11045, 18545, 22090, 37090, 174323, 348646, 871615, 1743230, 8193181, 16386362, 40965905, 81931810]

約数ペア:

[(1, 81931810), (2, 40965905), (5, 16386362), (10, 8193181), (47, 1743230), (94, 871615), (235, 348646), (470, 174323), (2209, 37090), (3709, 22090), (4418, 18545), (7418, 11045)]