7683920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 18019680

約数和(自身を除く): 10335760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 691, 695, 1112, 1382, 1390, 2224, 2764, 2780, 3455, 5528, 5560, 6910, 11056, 11120, 13820, 27640, 55280, 96049, 192098, 384196, 480245, 768392, 960490, 1536784, 1920980, 3841960, 7683920]

約数ペア:

[(1, 7683920), (2, 3841960), (4, 1920980), (5, 1536784), (8, 960490), (10, 768392), (16, 480245), (20, 384196), (40, 192098), (80, 96049), (139, 55280), (278, 27640), (556, 13820), (691, 11120), (695, 11056), (1112, 6910), (1382, 5560), (1390, 5528), (2224, 3455), (2764, 2780)]