42556640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37997}}^1$

素因数の和:38019

約数の個数: 48

約数和(自身を含む): 114905952

約数和(自身を除く): 72349312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 37997, 75994, 151988, 189985, 265979, 303976, 379970, 531958, 607952, 759940, 1063916, 1215904, 1329895, 1519880, 2127832, 2659790, 3039760, 4255664, 5319580, 6079520, 8511328, 10639160, 21278320, 42556640]

約数ペア:

[(1, 42556640), (2, 21278320), (4, 10639160), (5, 8511328), (7, 6079520), (8, 5319580), (10, 4255664), (14, 3039760), (16, 2659790), (20, 2127832), (28, 1519880), (32, 1329895), (35, 1215904), (40, 1063916), (56, 759940), (70, 607952), (80, 531958), (112, 379970), (140, 303976), (160, 265979), (224, 189985), (280, 151988), (560, 75994), (1120, 37997)]