38479880

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2473}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 86837400

約数和(自身を除く): 48357520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2473, 3112, 3890, 4946, 7780, 9892, 12365, 15560, 19784, 24730, 49460, 98920, 961997, 1923994, 3847988, 4809985, 7695976, 9619970, 19239940, 38479880]

約数ペア:

[(1, 38479880), (2, 19239940), (4, 9619970), (5, 7695976), (8, 4809985), (10, 3847988), (20, 1923994), (40, 961997), (389, 98920), (778, 49460), (1556, 24730), (1945, 19784), (2473, 15560), (3112, 12365), (3890, 9892), (4946, 7780)]