51440420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111827}}^1$

素因数の和:111859

約数の個数: 24

約数和(自身を含む): 112722624

約数和(自身を除く): 61282204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 111827, 223654, 447308, 559135, 1118270, 2236540, 2572021, 5144042, 10288084, 12860105, 25720210, 51440420]

約数ペア:

[(1, 51440420), (2, 25720210), (4, 12860105), (5, 10288084), (10, 5144042), (20, 2572021), (23, 2236540), (46, 1118270), (92, 559135), (115, 447308), (230, 223654), (460, 111827)]