9968443220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5600249}}^1$

素因数の和:5600347

約数の個数: 24

約数和(自身を含む): 21168945000

約数和(自身を除く): 11200501780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5600249, 11200498, 22400996, 28001245, 56002490, 112004980, 498422161, 996844322, 1993688644, 2492110805, 4984221610, 9968443220]

約数ペア:

[(1, 9968443220), (2, 4984221610), (4, 2492110805), (5, 1993688644), (10, 996844322), (20, 498422161), (89, 112004980), (178, 56002490), (356, 28001245), (445, 22400996), (890, 11200498), (1780, 5600249)]