40002010

素因数分解:

$2^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{4391}}^1$

素因数の和:5309

約数の個数: 16

約数和(自身を含む): 72099072

約数和(自身を除く): 32097062

約数列:

[1, 2, 5, 10, 911, 1822, 4391, 4555, 8782, 9110, 21955, 43910, 4000201, 8000402, 20001005, 40002010]

約数ペア:

[(1, 40002010), (2, 20001005), (5, 8000402), (10, 4000201), (911, 43910), (1822, 21955), (4391, 9110), (4555, 8782)]