156776540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{39791}}^1$

素因数の和:39997

約数の個数: 24

約数和(自身を含む): 330910272

約数和(自身を除く): 174133732

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 39791, 79582, 159164, 198955, 397910, 795820, 7838827, 15677654, 31355308, 39194135, 78388270, 156776540]

約数ペア:

[(1, 156776540), (2, 78388270), (4, 39194135), (5, 31355308), (10, 15677654), (20, 7838827), (197, 795820), (394, 397910), (788, 198955), (985, 159164), (1970, 79582), (3940, 39791)]