25346020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 61205760

約数和(自身を除く): 35859740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 919, 985, 1379, 1838, 1970, 2758, 3676, 3940, 4595, 5516, 6433, 6895, 9190, 12866, 13790, 18380, 25732, 27580, 32165, 64330, 128660, 181043, 362086, 724172, 905215, 1267301, 1810430, 2534602, 3620860, 5069204, 6336505, 12673010, 25346020]

約数ペア:

[(1, 25346020), (2, 12673010), (4, 6336505), (5, 5069204), (7, 3620860), (10, 2534602), (14, 1810430), (20, 1267301), (28, 905215), (35, 724172), (70, 362086), (140, 181043), (197, 128660), (394, 64330), (788, 32165), (919, 27580), (985, 25732), (1379, 18380), (1838, 13790), (1970, 12866), (2758, 9190), (3676, 6895), (3940, 6433), (4595, 5516)]