28840520540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2579653}}^1$

素因数の和:2579718

約数の個数: 48

約数和(自身を含む): 66740808288

約数和(自身を除く): 37900287748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 2579653, 5159306, 10318612, 12898265, 25796530, 33535489, 51593060, 67070978, 110925079, 134141956, 167677445, 221850158, 335354890, 443700316, 554625395, 670709780, 1109250790, 1442026027, 2218501580, 2884052054, 5768104108, 7210130135, 14420260270, 28840520540]

約数ペア:

[(1, 28840520540), (2, 14420260270), (4, 7210130135), (5, 5768104108), (10, 2884052054), (13, 2218501580), (20, 1442026027), (26, 1109250790), (43, 670709780), (52, 554625395), (65, 443700316), (86, 335354890), (130, 221850158), (172, 167677445), (215, 134141956), (260, 110925079), (430, 67070978), (559, 51593060), (860, 33535489), (1118, 25796530), (2236, 12898265), (2795, 10318612), (5590, 5159306), (11180, 2579653)]