25221445

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 32530680

約数和(自身を除く): 7309235

約数列:

[1, 5, 29, 31, 145, 155, 181, 899, 905, 961, 4495, 4805, 5249, 5611, 26245, 27869, 28055, 139345, 162719, 173941, 813595, 869705, 5044289, 25221445]

約数ペア:

[(1, 25221445), (5, 5044289), (29, 869705), (31, 813595), (145, 173941), (155, 162719), (181, 139345), (899, 28055), (905, 27869), (961, 26245), (4495, 5611), (4805, 5249)]