421036120

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{23977}}^1$

素因数の和:24427

約数の個数: 32

約数和(自身を含む): 949528800

約数和(自身を除く): 528492680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 23977, 47954, 95908, 119885, 191816, 239770, 479540, 959080, 10525903, 21051806, 42103612, 52629515, 84207224, 105259030, 210518060, 421036120]

約数ペア:

[(1, 421036120), (2, 210518060), (4, 105259030), (5, 84207224), (8, 52629515), (10, 42103612), (20, 21051806), (40, 10525903), (439, 959080), (878, 479540), (1756, 239770), (2195, 191816), (3512, 119885), (4390, 95908), (8780, 47954), (17560, 23977)]