40128905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{9431}}^1$

素因数の和:9496

約数の個数: 16

約数和(自身を含む): 51611904

約数和(自身を除く): 11482999

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 9431, 47155, 216913, 348947, 1084565, 1744735, 8025781, 40128905]

約数ペア:

[(1, 40128905), (5, 8025781), (23, 1744735), (37, 1084565), (115, 348947), (185, 216913), (851, 47155), (4255, 9431)]