8009860

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{647}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 16873920

約数和(自身を除く): 8864060

約数列:

[1, 2, 4, 5, 10, 20, 619, 647, 1238, 1294, 2476, 2588, 3095, 3235, 6190, 6470, 12380, 12940, 400493, 800986, 1601972, 2002465, 4004930, 8009860]

約数ペア:

[(1, 8009860), (2, 4004930), (4, 2002465), (5, 1601972), (10, 800986), (20, 400493), (619, 12940), (647, 12380), (1238, 6470), (1294, 6190), (2476, 3235), (2588, 3095)]