2016908080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{55901}}^1$

素因数の和:55966

約数の個数: 80

約数和(自身を含む): 5240477088

約数和(自身を除く): 3223569008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7216, 9020, 18040, 36080, 55901, 111802, 223604, 279505, 447208, 559010, 614911, 894416, 1118020, 1229822, 2236040, 2291941, 2459644, 3074555, 4472080, 4583882, 4919288, 6149110, 9167764, 9838576, 11459705, 12298220, 18335528, 22919410, 24596440, 25211351, 36671056, 45838820, 49192880, 50422702, 91677640, 100845404, 126056755, 183355280, 201690808, 252113510, 403381616, 504227020, 1008454040, 2016908080]

約数ペア:

[(1, 2016908080), (2, 1008454040), (4, 504227020), (5, 403381616), (8, 252113510), (10, 201690808), (11, 183355280), (16, 126056755), (20, 100845404), (22, 91677640), (40, 50422702), (41, 49192880), (44, 45838820), (55, 36671056), (80, 25211351), (82, 24596440), (88, 22919410), (110, 18335528), (164, 12298220), (176, 11459705), (205, 9838576), (220, 9167764), (328, 6149110), (410, 4919288), (440, 4583882), (451, 4472080), (656, 3074555), (820, 2459644), (880, 2291941), (902, 2236040), (1640, 1229822), (1804, 1118020), (2255, 894416), (3280, 614911), (3608, 559010), (4510, 447208), (7216, 279505), (9020, 223604), (18040, 111802), (36080, 55901)]