40942340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 91197120

約数和(自身を除く): 50254780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 661, 815, 1322, 1630, 2644, 3097, 3260, 3305, 6194, 6610, 12388, 12559, 13220, 15485, 25118, 30970, 50236, 61940, 62795, 107743, 125590, 215486, 251180, 430972, 538715, 1077430, 2047117, 2154860, 4094234, 8188468, 10235585, 20471170, 40942340]

約数ペア:

[(1, 40942340), (2, 20471170), (4, 10235585), (5, 8188468), (10, 4094234), (19, 2154860), (20, 2047117), (38, 1077430), (76, 538715), (95, 430972), (163, 251180), (190, 215486), (326, 125590), (380, 107743), (652, 62795), (661, 61940), (815, 50236), (1322, 30970), (1630, 25118), (2644, 15485), (3097, 13220), (3260, 12559), (3305, 12388), (6194, 6610)]