131963620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{31271}}^1$

素因数の和:31491

約数の個数: 24

約数和(自身を含む): 278445888

約数和(自身を除く): 146482268

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 31271, 62542, 125084, 156355, 312710, 625420, 6598181, 13196362, 26392724, 32990905, 65981810, 131963620]

約数ペア:

[(1, 131963620), (2, 65981810), (4, 32990905), (5, 26392724), (10, 13196362), (20, 6598181), (211, 625420), (422, 312710), (844, 156355), (1055, 125084), (2110, 62542), (4220, 31271)]