25970980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26501}}^1$

素因数の和:26524

約数の個数: 36

約数和(自身を含む): 63445788

約数和(自身を除く): 37474808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26501, 53002, 106004, 132505, 185507, 265010, 371014, 530020, 742028, 927535, 1298549, 1855070, 2597098, 3710140, 5194196, 6492745, 12985490, 25970980]

約数ペア:

[(1, 25970980), (2, 12985490), (4, 6492745), (5, 5194196), (7, 3710140), (10, 2597098), (14, 1855070), (20, 1298549), (28, 927535), (35, 742028), (49, 530020), (70, 371014), (98, 265010), (140, 185507), (196, 132505), (245, 106004), (490, 53002), (980, 26501)]