81494380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4463}}^1$

素因数の和:4566

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 107493524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4463, 4565, 8926, 9130, 17852, 18260, 22315, 44630, 49093, 89260, 98186, 196372, 245465, 370429, 490930, 740858, 981860, 1481716, 1852145, 3704290, 4074719, 7408580, 8149438, 16298876, 20373595, 40747190, 81494380]

約数ペア:

[(1, 81494380), (2, 40747190), (4, 20373595), (5, 16298876), (10, 8149438), (11, 7408580), (20, 4074719), (22, 3704290), (44, 1852145), (55, 1481716), (83, 981860), (110, 740858), (166, 490930), (220, 370429), (332, 245465), (415, 196372), (830, 98186), (913, 89260), (1660, 49093), (1826, 44630), (3652, 22315), (4463, 18260), (4565, 17852), (8926, 9130)]