520080925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7883}}^1$

素因数の和:7942

約数の個数: 48

約数和(自身を含む): 821197440

約数和(自身を除く): 301116515

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 203, 325, 377, 455, 725, 1015, 1885, 2275, 2639, 5075, 7883, 9425, 13195, 39415, 55181, 65975, 102479, 197075, 228607, 275905, 512395, 717353, 1143035, 1379525, 1600249, 2561975, 2971891, 3586765, 5715175, 8001245, 14859455, 17933825, 20803237, 40006225, 74297275, 104016185, 520080925]

約数ペア:

[(1, 520080925), (5, 104016185), (7, 74297275), (13, 40006225), (25, 20803237), (29, 17933825), (35, 14859455), (65, 8001245), (91, 5715175), (145, 3586765), (175, 2971891), (203, 2561975), (325, 1600249), (377, 1379525), (455, 1143035), (725, 717353), (1015, 512395), (1885, 275905), (2275, 228607), (2639, 197075), (5075, 102479), (7883, 65975), (9425, 55181), (13195, 39415)]