78007280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 197424864

約数和(自身を除く): 119417584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 701, 856, 1040, 1070, 1391, 1402, 1712, 2140, 2782, 2804, 3505, 4280, 5564, 5608, 6955, 7010, 8560, 9113, 11128, 11216, 13910, 14020, 18226, 22256, 27820, 28040, 36452, 45565, 55640, 56080, 72904, 75007, 91130, 111280, 145808, 150014, 182260, 300028, 364520, 375035, 600056, 729040, 750070, 975091, 1200112, 1500140, 1950182, 3000280, 3900364, 4875455, 6000560, 7800728, 9750910, 15601456, 19501820, 39003640, 78007280]

約数ペア:

[(1, 78007280), (2, 39003640), (4, 19501820), (5, 15601456), (8, 9750910), (10, 7800728), (13, 6000560), (16, 4875455), (20, 3900364), (26, 3000280), (40, 1950182), (52, 1500140), (65, 1200112), (80, 975091), (104, 750070), (107, 729040), (130, 600056), (208, 375035), (214, 364520), (260, 300028), (428, 182260), (520, 150014), (535, 145808), (701, 111280), (856, 91130), (1040, 75007), (1070, 72904), (1391, 56080), (1402, 55640), (1712, 45565), (2140, 36452), (2782, 28040), (2804, 27820), (3505, 22256), (4280, 18226), (5564, 14020), (5608, 13910), (6955, 11216), (7010, 11128), (8560, 9113)]