81292075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 107671680

約数和(自身を除く): 26379605

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 3617, 4495, 18085, 22475, 90425, 104893, 112127, 524465, 560635, 2622325, 2803175, 3251683, 16258415, 81292075]

約数ペア:

[(1, 81292075), (5, 16258415), (25, 3251683), (29, 2803175), (31, 2622325), (145, 560635), (155, 524465), (725, 112127), (775, 104893), (899, 90425), (3617, 22475), (4495, 18085)]