22005250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 22473470

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 89, 115, 125, 178, 215, 230, 250, 430, 445, 575, 890, 989, 1075, 1150, 1978, 2047, 2150, 2225, 2875, 3827, 4094, 4450, 4945, 5375, 5750, 7654, 9890, 10235, 10750, 11125, 19135, 20470, 22250, 24725, 38270, 49450, 51175, 88021, 95675, 102350, 123625, 176042, 191350, 247250, 255875, 440105, 478375, 511750, 880210, 956750, 2200525, 4401050, 11002625, 22005250]

約数ペア:

[(1, 22005250), (2, 11002625), (5, 4401050), (10, 2200525), (23, 956750), (25, 880210), (43, 511750), (46, 478375), (50, 440105), (86, 255875), (89, 247250), (115, 191350), (125, 176042), (178, 123625), (215, 102350), (230, 95675), (250, 88021), (430, 51175), (445, 49450), (575, 38270), (890, 24725), (989, 22250), (1075, 20470), (1150, 19135), (1978, 11125), (2047, 10750), (2150, 10235), (2225, 9890), (2875, 7654), (3827, 5750), (4094, 5375), (4450, 4945)]