185198920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21943}}^1$

素因数の和:22165

約数の個数: 32

約数和(自身を含む): 418691520

約数和(自身を除く): 233492600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 21943, 43886, 87772, 109715, 175544, 219430, 438860, 877720, 4629973, 9259946, 18519892, 23149865, 37039784, 46299730, 92599460, 185198920]

約数ペア:

[(1, 185198920), (2, 92599460), (4, 46299730), (5, 37039784), (8, 23149865), (10, 18519892), (20, 9259946), (40, 4629973), (211, 877720), (422, 438860), (844, 219430), (1055, 175544), (1688, 109715), (2110, 87772), (4220, 43886), (8440, 21943)]