56729720

素因数分解:

$2^3\times 5^1\times {\mathrm{1418243}}^1$

素因数の和:1418254

約数の個数: 16

約数和(自身を含む): 127641960

約数和(自身を除く): 70912240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1418243, 2836486, 5672972, 7091215, 11345944, 14182430, 28364860, 56729720]

約数ペア:

[(1, 56729720), (2, 28364860), (4, 14182430), (5, 11345944), (8, 7091215), (10, 5672972), (20, 2836486), (40, 1418243)]