201638404840

素因数分解:

$2^3\times 5^1\times {\mathrm{5040960121}}^1$

素因数の和:5040960132

約数の個数: 16

約数和(自身を含む): 453686410980

約数和(自身を除く): 252048006140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040960121, 10081920242, 20163840484, 25204800605, 40327680968, 50409601210, 100819202420, 201638404840]

約数ペア:

[(1, 201638404840), (2, 100819202420), (4, 50409601210), (5, 40327680968), (8, 25204800605), (10, 20163840484), (20, 10081920242), (40, 5040960121)]