140755760

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4523}}^1$

素因数の和:4925

約数の個数: 40

約数和(自身を含む): 328170960

約数和(自身を除く): 187415200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 4523, 6224, 7780, 9046, 15560, 18092, 22615, 31120, 36184, 45230, 72368, 90460, 180920, 361840, 1759447, 3518894, 7037788, 8797235, 14075576, 17594470, 28151152, 35188940, 70377880, 140755760]

約数ペア:

[(1, 140755760), (2, 70377880), (4, 35188940), (5, 28151152), (8, 17594470), (10, 14075576), (16, 8797235), (20, 7037788), (40, 3518894), (80, 1759447), (389, 361840), (778, 180920), (1556, 90460), (1945, 72368), (3112, 45230), (3890, 36184), (4523, 31120), (6224, 22615), (7780, 18092), (9046, 15560)]