25353860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1867}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 61509504

約数和(自身を除く): 36155644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1867, 1940, 2716, 3395, 3734, 6790, 7468, 9335, 13069, 13580, 18670, 26138, 37340, 52276, 65345, 130690, 181099, 261380, 362198, 724396, 905495, 1267693, 1810990, 2535386, 3621980, 5070772, 6338465, 12676930, 25353860]

約数ペア:

[(1, 25353860), (2, 12676930), (4, 6338465), (5, 5070772), (7, 3621980), (10, 2535386), (14, 1810990), (20, 1267693), (28, 905495), (35, 724396), (70, 362198), (97, 261380), (140, 181099), (194, 130690), (388, 65345), (485, 52276), (679, 37340), (970, 26138), (1358, 18670), (1867, 13580), (1940, 13069), (2716, 9335), (3395, 7468), (3734, 6790)]