25565345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 34673184

約数和(自身を除く): 9107839

約数列:

[1, 5, 13, 41, 53, 65, 181, 205, 265, 533, 689, 905, 2173, 2353, 2665, 3445, 7421, 9593, 10865, 11765, 28249, 37105, 47965, 96473, 124709, 141245, 393313, 482365, 623545, 1966565, 5113069, 25565345]

約数ペア:

[(1, 25565345), (5, 5113069), (13, 1966565), (41, 623545), (53, 482365), (65, 393313), (181, 141245), (205, 124709), (265, 96473), (533, 47965), (689, 37105), (905, 28249), (2173, 11765), (2353, 10865), (2665, 9593), (3445, 7421)]