19580075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 25444800

約数和(自身を除く): 5864725

約数列:

[1, 5, 25, 29, 113, 145, 239, 565, 725, 1195, 2825, 3277, 5975, 6931, 16385, 27007, 34655, 81925, 135035, 173275, 675175, 783203, 3916015, 19580075]

約数ペア:

[(1, 19580075), (5, 3916015), (25, 783203), (29, 675175), (113, 173275), (145, 135035), (239, 81925), (565, 34655), (725, 27007), (1195, 16385), (2825, 6931), (3277, 5975)]