159739780

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{17477}}^1$

素因数の和:17943

約数の個数: 24

約数和(自身を含む): 336206808

約数和(自身を除く): 176467028

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 17477, 34954, 69908, 87385, 174770, 349540, 7986989, 15973978, 31947956, 39934945, 79869890, 159739780]

約数ペア:

[(1, 159739780), (2, 79869890), (4, 39934945), (5, 31947956), (10, 15973978), (20, 7986989), (457, 349540), (914, 174770), (1828, 87385), (2285, 69908), (4570, 34954), (9140, 17477)]