8147240

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 18415080

約数和(自身を除く): 10267840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 577, 706, 1154, 1412, 1765, 2308, 2824, 2885, 3530, 4616, 5770, 7060, 11540, 14120, 23080, 203681, 407362, 814724, 1018405, 1629448, 2036810, 4073620, 8147240]

約数ペア:

[(1, 8147240), (2, 4073620), (4, 2036810), (5, 1629448), (8, 1018405), (10, 814724), (20, 407362), (40, 203681), (353, 23080), (577, 14120), (706, 11540), (1154, 7060), (1412, 5770), (1765, 4616), (2308, 3530), (2824, 2885)]