1239573880

素因数分解:

$2^3\times 5^1\times {\mathrm{30989347}}^1$

素因数の和:30989358

約数の個数: 16

約数和(自身を含む): 2789041320

約数和(自身を除く): 1549467440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30989347, 61978694, 123957388, 154946735, 247914776, 309893470, 619786940, 1239573880]

約数ペア:

[(1, 1239573880), (2, 619786940), (4, 309893470), (5, 247914776), (8, 154946735), (10, 123957388), (20, 61978694), (40, 30989347)]