25518920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91139}}^1$

素因数の和:91157

約数の個数: 32

約数和(自身を含む): 65620800

約数和(自身を除く): 40101880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91139, 182278, 364556, 455695, 637973, 729112, 911390, 1275946, 1822780, 2551892, 3189865, 3645560, 5103784, 6379730, 12759460, 25518920]

約数ペア:

[(1, 25518920), (2, 12759460), (4, 6379730), (5, 5103784), (7, 3645560), (8, 3189865), (10, 2551892), (14, 1822780), (20, 1275946), (28, 911390), (35, 729112), (40, 637973), (56, 455695), (70, 364556), (140, 182278), (280, 91139)]