51555680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2663}}^1$

素因数の和:2700

約数の個数: 72

約数和(自身を含む): 133929936

約数和(自身を除く): 82374256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 2663, 3872, 4840, 5326, 9680, 10652, 13315, 19360, 21304, 26630, 29293, 42608, 53260, 58586, 85216, 106520, 117172, 146465, 213040, 234344, 292930, 322223, 426080, 468688, 585860, 644446, 937376, 1171720, 1288892, 1611115, 2343440, 2577784, 3222230, 4686880, 5155568, 6444460, 10311136, 12888920, 25777840, 51555680]

約数ペア:

[(1, 51555680), (2, 25777840), (4, 12888920), (5, 10311136), (8, 6444460), (10, 5155568), (11, 4686880), (16, 3222230), (20, 2577784), (22, 2343440), (32, 1611115), (40, 1288892), (44, 1171720), (55, 937376), (80, 644446), (88, 585860), (110, 468688), (121, 426080), (160, 322223), (176, 292930), (220, 234344), (242, 213040), (352, 146465), (440, 117172), (484, 106520), (605, 85216), (880, 58586), (968, 53260), (1210, 42608), (1760, 29293), (1936, 26630), (2420, 21304), (2663, 19360), (3872, 13315), (4840, 10652), (5326, 9680)]