27955540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19687}}^1$

素因数の和:19767

約数の個数: 24

約数和(自身を含む): 59536512

約数和(自身を除く): 31580972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19687, 39374, 78748, 98435, 196870, 393740, 1397777, 2795554, 5591108, 6988885, 13977770, 27955540]

約数ペア:

[(1, 27955540), (2, 13977770), (4, 6988885), (5, 5591108), (10, 2795554), (20, 1397777), (71, 393740), (142, 196870), (284, 98435), (355, 78748), (710, 39374), (1420, 19687)]