202608880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 486468864

約数和(自身を除く): 283859984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 223, 277, 328, 410, 446, 554, 656, 820, 892, 1108, 1115, 1385, 1640, 1784, 2216, 2230, 2770, 3280, 3568, 4432, 4460, 5540, 8920, 9143, 11080, 11357, 17840, 18286, 22160, 22714, 36572, 45428, 45715, 56785, 61771, 73144, 90856, 91430, 113570, 123542, 146288, 181712, 182860, 227140, 247084, 308855, 365720, 454280, 494168, 617710, 731440, 908560, 988336, 1235420, 2470840, 2532611, 4941680, 5065222, 10130444, 12663055, 20260888, 25326110, 40521776, 50652220, 101304440, 202608880]

約数ペア:

[(1, 202608880), (2, 101304440), (4, 50652220), (5, 40521776), (8, 25326110), (10, 20260888), (16, 12663055), (20, 10130444), (40, 5065222), (41, 4941680), (80, 2532611), (82, 2470840), (164, 1235420), (205, 988336), (223, 908560), (277, 731440), (328, 617710), (410, 494168), (446, 454280), (554, 365720), (656, 308855), (820, 247084), (892, 227140), (1108, 182860), (1115, 181712), (1385, 146288), (1640, 123542), (1784, 113570), (2216, 91430), (2230, 90856), (2770, 73144), (3280, 61771), (3568, 56785), (4432, 45715), (4460, 45428), (5540, 36572), (8920, 22714), (9143, 22160), (11080, 18286), (11357, 17840)]