13668620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 19534900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1097, 1246, 1780, 2194, 2492, 3115, 4388, 5485, 6230, 7679, 10970, 12460, 15358, 21940, 30716, 38395, 76790, 97633, 153580, 195266, 390532, 488165, 683431, 976330, 1366862, 1952660, 2733724, 3417155, 6834310, 13668620]

約数ペア:

[(1, 13668620), (2, 6834310), (4, 3417155), (5, 2733724), (7, 1952660), (10, 1366862), (14, 976330), (20, 683431), (28, 488165), (35, 390532), (70, 195266), (89, 153580), (140, 97633), (178, 76790), (356, 38395), (445, 30716), (623, 21940), (890, 15358), (1097, 12460), (1246, 10970), (1780, 7679), (2194, 6230), (2492, 5485), (3115, 4388)]