11887840

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 16416800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 389, 764, 778, 955, 1528, 1556, 1910, 1945, 3056, 3112, 3820, 3890, 6112, 6224, 7640, 7780, 12448, 15280, 15560, 30560, 31120, 62240, 74299, 148598, 297196, 371495, 594392, 742990, 1188784, 1485980, 2377568, 2971960, 5943920, 11887840]

約数ペア:

[(1, 11887840), (2, 5943920), (4, 2971960), (5, 2377568), (8, 1485980), (10, 1188784), (16, 742990), (20, 594392), (32, 371495), (40, 297196), (80, 148598), (160, 74299), (191, 62240), (382, 31120), (389, 30560), (764, 15560), (778, 15280), (955, 12448), (1528, 7780), (1556, 7640), (1910, 6224), (1945, 6112), (3056, 3890), (3112, 3820)]