1566252020

素因数分解:

$2^2\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{25189}}^1$

素因数の和:28307

約数の個数: 24

約数和(自身を含む): 3290317800

約数和(自身を除く): 1724065780

約数列:

[1, 2, 4, 5, 10, 20, 3109, 6218, 12436, 15545, 25189, 31090, 50378, 62180, 100756, 125945, 251890, 503780, 78312601, 156625202, 313250404, 391563005, 783126010, 1566252020]

約数ペア:

[(1, 1566252020), (2, 783126010), (4, 391563005), (5, 313250404), (10, 156625202), (20, 78312601), (3109, 503780), (6218, 251890), (12436, 125945), (15545, 100756), (25189, 62180), (31090, 50378)]