40108990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19009}}^1$

素因数の和:19227

約数の個数: 16

約数和(自身を含む): 72542160

約数和(自身を除く): 32433170

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 19009, 38018, 95045, 190090, 4010899, 8021798, 20054495, 40108990]

約数ペア:

[(1, 40108990), (2, 20054495), (5, 8021798), (10, 4010899), (211, 190090), (422, 95045), (1055, 38018), (2110, 19009)]