42679640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4057}}^1$

素因数の和:4331

約数の個数: 32

約数和(自身を含む): 96418080

約数和(自身を除く): 53738440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 4057, 5260, 8114, 10520, 16228, 20285, 32456, 40570, 81140, 162280, 1066991, 2133982, 4267964, 5334955, 8535928, 10669910, 21339820, 42679640]

約数ペア:

[(1, 42679640), (2, 21339820), (4, 10669910), (5, 8535928), (8, 5334955), (10, 4267964), (20, 2133982), (40, 1066991), (263, 162280), (526, 81140), (1052, 40570), (1315, 32456), (2104, 20285), (2630, 16228), (4057, 10520), (5260, 8114)]