31327120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 80494848

約数和(自身を除く): 49167728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 367, 388, 440, 485, 734, 776, 880, 970, 1067, 1468, 1552, 1835, 1940, 2134, 2936, 3670, 3880, 4037, 4268, 5335, 5872, 7340, 7760, 8074, 8536, 10670, 14680, 16148, 17072, 20185, 21340, 29360, 32296, 35599, 40370, 42680, 64592, 71198, 80740, 85360, 142396, 161480, 177995, 284792, 322960, 355990, 391589, 569584, 711980, 783178, 1423960, 1566356, 1957945, 2847920, 3132712, 3915890, 6265424, 7831780, 15663560, 31327120]

約数ペア:

[(1, 31327120), (2, 15663560), (4, 7831780), (5, 6265424), (8, 3915890), (10, 3132712), (11, 2847920), (16, 1957945), (20, 1566356), (22, 1423960), (40, 783178), (44, 711980), (55, 569584), (80, 391589), (88, 355990), (97, 322960), (110, 284792), (176, 177995), (194, 161480), (220, 142396), (367, 85360), (388, 80740), (440, 71198), (485, 64592), (734, 42680), (776, 40370), (880, 35599), (970, 32296), (1067, 29360), (1468, 21340), (1552, 20185), (1835, 17072), (1940, 16148), (2134, 14680), (2936, 10670), (3670, 8536), (3880, 8074), (4037, 7760), (4268, 7340), (5335, 5872)]