139899040

素因数分解:

$2^5\times 5^1\times {\mathrm{877}}^1\times {\mathrm{997}}^1$

素因数の和:1889

約数の個数: 48

約数和(自身を含む): 331220232

約数和(自身を除く): 191321192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 877, 997, 1754, 1994, 3508, 3988, 4385, 4985, 7016, 7976, 8770, 9970, 14032, 15952, 17540, 19940, 28064, 31904, 35080, 39880, 70160, 79760, 140320, 159520, 874369, 1748738, 3497476, 4371845, 6994952, 8743690, 13989904, 17487380, 27979808, 34974760, 69949520, 139899040]

約数ペア:

[(1, 139899040), (2, 69949520), (4, 34974760), (5, 27979808), (8, 17487380), (10, 13989904), (16, 8743690), (20, 6994952), (32, 4371845), (40, 3497476), (80, 1748738), (160, 874369), (877, 159520), (997, 140320), (1754, 79760), (1994, 70160), (3508, 39880), (3988, 35080), (4385, 31904), (4985, 28064), (7016, 19940), (7976, 17540), (8770, 15952), (9970, 14032)]