72106780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{19919}}^1$

素因数の和:20109

約数の個数: 24

約数和(自身を含む): 152268480

約数和(自身を除く): 80161700

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 19919, 39838, 79676, 99595, 199190, 398380, 3605339, 7210678, 14421356, 18026695, 36053390, 72106780]

約数ペア:

[(1, 72106780), (2, 36053390), (4, 18026695), (5, 14421356), (10, 7210678), (20, 3605339), (181, 398380), (362, 199190), (724, 99595), (905, 79676), (1810, 39838), (3620, 19919)]