40117990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9857}}^1$

素因数の和:9912

約数の個数: 32

約数和(自身を含む): 80914464

約数和(自身を除く): 40796474

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 9857, 19714, 49285, 98570, 108427, 216854, 364709, 542135, 729418, 1084270, 1823545, 3647090, 4011799, 8023598, 20058995, 40117990]

約数ペア:

[(1, 40117990), (2, 20058995), (5, 8023598), (10, 4011799), (11, 3647090), (22, 1823545), (37, 1084270), (55, 729418), (74, 542135), (110, 364709), (185, 216854), (370, 108427), (407, 98570), (814, 49285), (2035, 19714), (4070, 9857)]