9919040

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 56

約数和(自身を含む): 23896320

約数和(自身を除く): 13977280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 223, 278, 320, 446, 556, 695, 892, 1112, 1115, 1390, 1784, 2224, 2230, 2780, 3568, 4448, 4460, 5560, 7136, 8896, 8920, 11120, 14272, 17840, 22240, 30997, 35680, 44480, 61994, 71360, 123988, 154985, 247976, 309970, 495952, 619940, 991904, 1239880, 1983808, 2479760, 4959520, 9919040]

約数ペア:

[(1, 9919040), (2, 4959520), (4, 2479760), (5, 1983808), (8, 1239880), (10, 991904), (16, 619940), (20, 495952), (32, 309970), (40, 247976), (64, 154985), (80, 123988), (139, 71360), (160, 61994), (223, 44480), (278, 35680), (320, 30997), (446, 22240), (556, 17840), (695, 14272), (892, 11120), (1112, 8920), (1115, 8896), (1390, 7136), (1784, 5560), (2224, 4460), (2230, 4448), (2780, 3568)]