28815250

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 54662400

約数和(自身を除く): 25847150

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 790, 1459, 1975, 2918, 3950, 7295, 9875, 14590, 19750, 36475, 72950, 115261, 182375, 230522, 364750, 576305, 1152610, 2881525, 5763050, 14407625, 28815250]

約数ペア:

[(1, 28815250), (2, 14407625), (5, 5763050), (10, 2881525), (25, 1152610), (50, 576305), (79, 364750), (125, 230522), (158, 182375), (250, 115261), (395, 72950), (790, 36475), (1459, 19750), (1975, 14590), (2918, 9875), (3950, 7295)]