7991220880

素因数分解:

$2^4\times 5^1\times {\mathrm{9547}}^1\times {\mathrm{10463}}^1$

素因数の和:20023

約数の個数: 40

約数和(自身を含む): 18583310592

約数和(自身を除く): 10592089712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9547, 10463, 19094, 20926, 38188, 41852, 47735, 52315, 76376, 83704, 95470, 104630, 152752, 167408, 190940, 209260, 381880, 418520, 763760, 837040, 99890261, 199780522, 399561044, 499451305, 799122088, 998902610, 1598244176, 1997805220, 3995610440, 7991220880]

約数ペア:

[(1, 7991220880), (2, 3995610440), (4, 1997805220), (5, 1598244176), (8, 998902610), (10, 799122088), (16, 499451305), (20, 399561044), (40, 199780522), (80, 99890261), (9547, 837040), (10463, 763760), (19094, 418520), (20926, 381880), (38188, 209260), (41852, 190940), (47735, 167408), (52315, 152752), (76376, 104630), (83704, 95470)]