9839980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9283}}^1$

素因数の和:9345

約数の個数: 24

約数和(自身を含む): 21056112

約数和(自身を除く): 11216132

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 9283, 18566, 37132, 46415, 92830, 185660, 491999, 983998, 1967996, 2459995, 4919990, 9839980]

約数ペア:

[(1, 9839980), (2, 4919990), (4, 2459995), (5, 1967996), (10, 983998), (20, 491999), (53, 185660), (106, 92830), (212, 46415), (265, 37132), (530, 18566), (1060, 9283)]