51450980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52501}}^1$

素因数の和:52524

約数の個数: 36

約数和(自身を含む): 125689788

約数和(自身を除く): 74238808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52501, 105002, 210004, 262505, 367507, 525010, 735014, 1050020, 1470028, 1837535, 2572549, 3675070, 5145098, 7350140, 10290196, 12862745, 25725490, 51450980]

約数ペア:

[(1, 51450980), (2, 25725490), (4, 12862745), (5, 10290196), (7, 7350140), (10, 5145098), (14, 3675070), (20, 2572549), (28, 1837535), (35, 1470028), (49, 1050020), (70, 735014), (98, 525010), (140, 367507), (196, 262505), (245, 210004), (490, 105002), (980, 52501)]