31823920

素因数分解:

$2^4\times 5^1\times {\mathrm{397799}}^1$

素因数の和:397812

約数の個数: 20

約数和(自身を含む): 73990800

約数和(自身を除く): 42166880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397799, 795598, 1591196, 1988995, 3182392, 3977990, 6364784, 7955980, 15911960, 31823920]

約数ペア:

[(1, 31823920), (2, 15911960), (4, 7955980), (5, 6364784), (8, 3977990), (10, 3182392), (16, 1988995), (20, 1591196), (40, 795598), (80, 397799)]