5639120

素因数分解:

$2^4\times 5^1\times {\mathrm{70489}}^1$

素因数の和:70502

約数の個数: 20

約数和(自身を含む): 13111140

約数和(自身を除く): 7472020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 70489, 140978, 281956, 352445, 563912, 704890, 1127824, 1409780, 2819560, 5639120]

約数ペア:

[(1, 5639120), (2, 2819560), (4, 1409780), (5, 1127824), (8, 704890), (10, 563912), (16, 352445), (20, 281956), (40, 140978), (80, 70489)]