42680020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11057}}^1$

素因数の和:11259

約数の個数: 24

約数和(自身を含む): 90100584

約数和(自身を除く): 47420564

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 11057, 22114, 44228, 55285, 110570, 221140, 2134001, 4268002, 8536004, 10670005, 21340010, 42680020]

約数ペア:

[(1, 42680020), (2, 21340010), (4, 10670005), (5, 8536004), (10, 4268002), (20, 2134001), (193, 221140), (386, 110570), (772, 55285), (965, 44228), (1930, 22114), (3860, 11057)]