129604025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1879}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 167846400

約数和(自身を除く): 38242375

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 1879, 2225, 2759, 9395, 13795, 46975, 58249, 68975, 167231, 291245, 836155, 1456225, 4180775, 5184161, 25920805, 129604025]

約数ペア:

[(1, 129604025), (5, 25920805), (25, 5184161), (31, 4180775), (89, 1456225), (155, 836155), (445, 291245), (775, 167231), (1879, 68975), (2225, 58249), (2759, 46975), (9395, 13795)]