90100540

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2521}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 189392112

約数和(自身を除く): 99291572

約数列:

[1, 2, 4, 5, 10, 20, 1787, 2521, 3574, 5042, 7148, 8935, 10084, 12605, 17870, 25210, 35740, 50420, 4505027, 9010054, 18020108, 22525135, 45050270, 90100540]

約数ペア:

[(1, 90100540), (2, 45050270), (4, 22525135), (5, 18020108), (10, 9010054), (20, 4505027), (1787, 50420), (2521, 35740), (3574, 25210), (5042, 17870), (7148, 12605), (8935, 10084)]