22213375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 7738625

約数列:

[1, 5, 19, 25, 47, 95, 125, 199, 235, 475, 893, 995, 1175, 2375, 3781, 4465, 4975, 5875, 9353, 18905, 22325, 24875, 46765, 94525, 111625, 177707, 233825, 472625, 888535, 1169125, 4442675, 22213375]

約数ペア:

[(1, 22213375), (5, 4442675), (19, 1169125), (25, 888535), (47, 472625), (95, 233825), (125, 177707), (199, 111625), (235, 94525), (475, 46765), (893, 24875), (995, 22325), (1175, 18905), (2375, 9353), (3781, 5875), (4465, 4975)]