89260840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{76949}}^1$

素因数の和:76989

約数の個数: 32

約数和(自身を含む): 207765000

約数和(自身を除く): 118504160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 76949, 153898, 307796, 384745, 615592, 769490, 1538980, 2231521, 3077960, 4463042, 8926084, 11157605, 17852168, 22315210, 44630420, 89260840]

約数ペア:

[(1, 89260840), (2, 44630420), (4, 22315210), (5, 17852168), (8, 11157605), (10, 8926084), (20, 4463042), (29, 3077960), (40, 2231521), (58, 1538980), (116, 769490), (145, 615592), (232, 384745), (290, 307796), (580, 153898), (1160, 76949)]