2021457425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 2744251440

約数和(自身を除く): 722794015

約数列:

[1, 5, 13, 25, 65, 157, 173, 229, 325, 785, 865, 1145, 2041, 2249, 2977, 3925, 4325, 5725, 10205, 11245, 14885, 27161, 35953, 39617, 51025, 56225, 74425, 135805, 179765, 198085, 353093, 467389, 515021, 679025, 898825, 990425, 1765465, 2336945, 2575105, 6219869, 8827325, 11684725, 12875525, 31099345, 80858297, 155496725, 404291485, 2021457425]

約数ペア:

[(1, 2021457425), (5, 404291485), (13, 155496725), (25, 80858297), (65, 31099345), (157, 12875525), (173, 11684725), (229, 8827325), (325, 6219869), (785, 2575105), (865, 2336945), (1145, 1765465), (2041, 990425), (2249, 898825), (2977, 679025), (3925, 515021), (4325, 467389), (5725, 353093), (10205, 198085), (11245, 179765), (14885, 135805), (27161, 74425), (35953, 56225), (39617, 51025)]