20166113080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1\times {\mathrm{4357}}^1$

素因数の和:5080

約数の個数: 64

約数和(自身を含む): 45663821280

約数和(自身を除く): 25497708200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 461, 502, 922, 1004, 1255, 1844, 2008, 2305, 2510, 3688, 4357, 4610, 5020, 8714, 9220, 10040, 17428, 18440, 21785, 34856, 43570, 87140, 115711, 174280, 231422, 462844, 578555, 925688, 1093607, 1157110, 2008577, 2187214, 2314220, 4017154, 4374428, 4628440, 5468035, 8034308, 8748856, 10042885, 10936070, 16068616, 20085770, 21872140, 40171540, 43744280, 80343080, 504152827, 1008305654, 2016611308, 2520764135, 4033222616, 5041528270, 10083056540, 20166113080]

約数ペア:

[(1, 20166113080), (2, 10083056540), (4, 5041528270), (5, 4033222616), (8, 2520764135), (10, 2016611308), (20, 1008305654), (40, 504152827), (251, 80343080), (461, 43744280), (502, 40171540), (922, 21872140), (1004, 20085770), (1255, 16068616), (1844, 10936070), (2008, 10042885), (2305, 8748856), (2510, 8034308), (3688, 5468035), (4357, 4628440), (4610, 4374428), (5020, 4017154), (8714, 2314220), (9220, 2187214), (10040, 2008577), (17428, 1157110), (18440, 1093607), (21785, 925688), (34856, 578555), (43570, 462844), (87140, 231422), (115711, 174280)]