8223440

素因数分解:

$2^4\times 5^1\times {\mathrm{102793}}^1$

素因数の和:102806

約数の個数: 20

約数和(自身を含む): 19119684

約数和(自身を除く): 10896244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102793, 205586, 411172, 513965, 822344, 1027930, 1644688, 2055860, 4111720, 8223440]

約数ペア:

[(1, 8223440), (2, 4111720), (4, 2055860), (5, 1644688), (8, 1027930), (10, 822344), (16, 513965), (20, 411172), (40, 205586), (80, 102793)]