2119077680

素因数分解:

$2^4\times 5^1\times {\mathrm{26488471}}^1$

素因数の和:26488484

約数の個数: 20

約数和(自身を含む): 4926855792

約数和(自身を除く): 2807778112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26488471, 52976942, 105953884, 132442355, 211907768, 264884710, 423815536, 529769420, 1059538840, 2119077680]

約数ペア:

[(1, 2119077680), (2, 1059538840), (4, 529769420), (5, 423815536), (8, 264884710), (10, 211907768), (16, 132442355), (20, 105953884), (40, 52976942), (80, 26488471)]