28506080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9377}}^1$

素因数の和:9411

約数の個数: 48

約数和(自身を含む): 70897680

約数和(自身を除く): 42391600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9377, 18754, 37508, 46885, 75016, 93770, 150032, 178163, 187540, 300064, 356326, 375080, 712652, 750160, 890815, 1425304, 1500320, 1781630, 2850608, 3563260, 5701216, 7126520, 14253040, 28506080]

約数ペア:

[(1, 28506080), (2, 14253040), (4, 7126520), (5, 5701216), (8, 3563260), (10, 2850608), (16, 1781630), (19, 1500320), (20, 1425304), (32, 890815), (38, 750160), (40, 712652), (76, 375080), (80, 356326), (95, 300064), (152, 187540), (160, 178163), (190, 150032), (304, 93770), (380, 75016), (608, 46885), (760, 37508), (1520, 18754), (3040, 9377)]