54886480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 140865984

約数和(自身を除く): 85979504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 643, 776, 880, 970, 1067, 1286, 1552, 1940, 2134, 2572, 3215, 3880, 4268, 5144, 5335, 6430, 7073, 7760, 8536, 10288, 10670, 12860, 14146, 17072, 21340, 25720, 28292, 35365, 42680, 51440, 56584, 62371, 70730, 85360, 113168, 124742, 141460, 249484, 282920, 311855, 498968, 565840, 623710, 686081, 997936, 1247420, 1372162, 2494840, 2744324, 3430405, 4989680, 5488648, 6860810, 10977296, 13721620, 27443240, 54886480]

約数ペア:

[(1, 54886480), (2, 27443240), (4, 13721620), (5, 10977296), (8, 6860810), (10, 5488648), (11, 4989680), (16, 3430405), (20, 2744324), (22, 2494840), (40, 1372162), (44, 1247420), (55, 997936), (80, 686081), (88, 623710), (97, 565840), (110, 498968), (176, 311855), (194, 282920), (220, 249484), (388, 141460), (440, 124742), (485, 113168), (643, 85360), (776, 70730), (880, 62371), (970, 56584), (1067, 51440), (1286, 42680), (1552, 35365), (1940, 28292), (2134, 25720), (2572, 21340), (3215, 17072), (3880, 14146), (4268, 12860), (5144, 10670), (5335, 10288), (6430, 8536), (7073, 7760)]