2647720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 6121800

約数和(自身を除く): 3474080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1789, 3578, 7156, 8945, 14312, 17890, 35780, 66193, 71560, 132386, 264772, 330965, 529544, 661930, 1323860, 2647720]

約数ペア:

[(1, 2647720), (2, 1323860), (4, 661930), (5, 529544), (8, 330965), (10, 264772), (20, 132386), (37, 71560), (40, 66193), (74, 35780), (148, 17890), (185, 14312), (296, 8945), (370, 7156), (740, 3578), (1480, 1789)]