80638565

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 125582400

約数和(自身を除く): 44943835

約数列:

[1, 5, 7, 17, 19, 35, 49, 85, 95, 119, 133, 245, 323, 595, 665, 833, 931, 1019, 1615, 2261, 4165, 4655, 5095, 7133, 11305, 15827, 17323, 19361, 35665, 49931, 79135, 86615, 96805, 121261, 135527, 249655, 329137, 606305, 677635, 848827, 948689, 1645685, 2303959, 4244135, 4743445, 11519795, 16127713, 80638565]

約数ペア:

[(1, 80638565), (5, 16127713), (7, 11519795), (17, 4743445), (19, 4244135), (35, 2303959), (49, 1645685), (85, 948689), (95, 848827), (119, 677635), (133, 606305), (245, 329137), (323, 249655), (595, 135527), (665, 121261), (833, 96805), (931, 86615), (1019, 79135), (1615, 49931), (2261, 35665), (4165, 19361), (4655, 17323), (5095, 15827), (7133, 11305)]