66540460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475289}}^1$

素因数の和:475305

約数の個数: 24

約数和(自身を含む): 159697440

約数和(自身を除く): 93156980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475289, 950578, 1901156, 2376445, 3327023, 4752890, 6654046, 9505780, 13308092, 16635115, 33270230, 66540460]

約数ペア:

[(1, 66540460), (2, 33270230), (4, 16635115), (5, 13308092), (7, 9505780), (10, 6654046), (14, 4752890), (20, 3327023), (28, 2376445), (35, 1901156), (70, 950578), (140, 475289)]