17399120

素因数分解:

$2^4\times 5^1\times {\mathrm{217489}}^1$

素因数の和:217502

約数の個数: 20

約数和(自身を含む): 40453140

約数和(自身を除く): 23054020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217489, 434978, 869956, 1087445, 1739912, 2174890, 3479824, 4349780, 8699560, 17399120]

約数ペア:

[(1, 17399120), (2, 8699560), (4, 4349780), (5, 3479824), (8, 2174890), (10, 1739912), (16, 1087445), (20, 869956), (40, 434978), (80, 217489)]