12660620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12919}}^1$

素因数の和:12942

約数の個数: 36

約数和(自身を含む): 30930480

約数和(自身を除く): 18269860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12919, 25838, 51676, 64595, 90433, 129190, 180866, 258380, 361732, 452165, 633031, 904330, 1266062, 1808660, 2532124, 3165155, 6330310, 12660620]

約数ペア:

[(1, 12660620), (2, 6330310), (4, 3165155), (5, 2532124), (7, 1808660), (10, 1266062), (14, 904330), (20, 633031), (28, 452165), (35, 361732), (49, 258380), (70, 180866), (98, 129190), (140, 90433), (196, 64595), (245, 51676), (490, 25838), (980, 12919)]