16439780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117427}}^1$

素因数の和:117443

約数の個数: 24

約数和(自身を含む): 39455808

約数和(自身を除く): 23016028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117427, 234854, 469708, 587135, 821989, 1174270, 1643978, 2348540, 3287956, 4109945, 8219890, 16439780]

約数ペア:

[(1, 16439780), (2, 8219890), (4, 4109945), (5, 3287956), (7, 2348540), (10, 1643978), (14, 1174270), (20, 821989), (28, 587135), (35, 469708), (70, 234854), (140, 117427)]