8709940

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1607}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 18369792

約数和(自身を除く): 9659852

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 1607, 2710, 3214, 5420, 6428, 8035, 16070, 32140, 435497, 870994, 1741988, 2177485, 4354970, 8709940]

約数ペア:

[(1, 8709940), (2, 4354970), (4, 2177485), (5, 1741988), (10, 870994), (20, 435497), (271, 32140), (542, 16070), (1084, 8035), (1355, 6428), (1607, 5420), (2710, 3214)]