2479760

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 5832960

約数和(自身を除く): 3353200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 223, 278, 446, 556, 695, 892, 1112, 1115, 1390, 1784, 2224, 2230, 2780, 3568, 4460, 5560, 8920, 11120, 17840, 30997, 61994, 123988, 154985, 247976, 309970, 495952, 619940, 1239880, 2479760]

約数ペア:

[(1, 2479760), (2, 1239880), (4, 619940), (5, 495952), (8, 309970), (10, 247976), (16, 154985), (20, 123988), (40, 61994), (80, 30997), (139, 17840), (223, 11120), (278, 8920), (446, 5560), (556, 4460), (695, 3568), (892, 2780), (1112, 2230), (1115, 2224), (1390, 1784)]