77566940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4463}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 179988480

約数和(自身を除く): 102421540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4463, 8690, 8926, 17380, 17852, 22315, 44630, 49093, 89260, 98186, 196372, 245465, 352577, 490930, 705154, 981860, 1410308, 1762885, 3525770, 3878347, 7051540, 7756694, 15513388, 19391735, 38783470, 77566940]

約数ペア:

[(1, 77566940), (2, 38783470), (4, 19391735), (5, 15513388), (10, 7756694), (11, 7051540), (20, 3878347), (22, 3525770), (44, 1762885), (55, 1410308), (79, 981860), (110, 705154), (158, 490930), (220, 352577), (316, 245465), (395, 196372), (790, 98186), (869, 89260), (1580, 49093), (1738, 44630), (3476, 22315), (4345, 17852), (4463, 17380), (8690, 8926)]