16000040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{57143}}^1$

素因数の和:57161

約数の個数: 32

約数和(自身を含む): 41143680

約数和(自身を除く): 25143640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 57143, 114286, 228572, 285715, 400001, 457144, 571430, 800002, 1142860, 1600004, 2000005, 2285720, 3200008, 4000010, 8000020, 16000040]

約数ペア:

[(1, 16000040), (2, 8000020), (4, 4000010), (5, 3200008), (7, 2285720), (8, 2000005), (10, 1600004), (14, 1142860), (20, 800002), (28, 571430), (35, 457144), (40, 400001), (56, 285715), (70, 228572), (140, 114286), (280, 57143)]