71329520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16823}}^1$

素因数の和:16889

約数の個数: 40

約数和(自身を含む): 168980256

約数和(自身を除く): 97650736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 16823, 33646, 67292, 84115, 134584, 168230, 269168, 336460, 672920, 891619, 1345840, 1783238, 3566476, 4458095, 7132952, 8916190, 14265904, 17832380, 35664760, 71329520]

約数ペア:

[(1, 71329520), (2, 35664760), (4, 17832380), (5, 14265904), (8, 8916190), (10, 7132952), (16, 4458095), (20, 3566476), (40, 1783238), (53, 1345840), (80, 891619), (106, 672920), (212, 336460), (265, 269168), (424, 168230), (530, 134584), (848, 84115), (1060, 67292), (2120, 33646), (4240, 16823)]