91831120

素因数分解:

$2^4\times 5^1\times {\mathrm{1147889}}^1$

素因数の和:1147902

約数の個数: 20

約数和(自身を含む): 213507540

約数和(自身を除く): 121676420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1147889, 2295778, 4591556, 5739445, 9183112, 11478890, 18366224, 22957780, 45915560, 91831120]

約数ペア:

[(1, 91831120), (2, 45915560), (4, 22957780), (5, 18366224), (8, 11478890), (10, 9183112), (16, 5739445), (20, 4591556), (40, 2295778), (80, 1147889)]