2013264040

素因数分解:

$2^3\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{16189}}^1$

素因数の和:19309

約数の個数: 32

約数和(自身を含む): 4531581000

約数和(自身を除く): 2518316960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3109, 6218, 12436, 15545, 16189, 24872, 31090, 32378, 62180, 64756, 80945, 124360, 129512, 161890, 323780, 647560, 50331601, 100663202, 201326404, 251658005, 402652808, 503316010, 1006632020, 2013264040]

約数ペア:

[(1, 2013264040), (2, 1006632020), (4, 503316010), (5, 402652808), (8, 251658005), (10, 201326404), (20, 100663202), (40, 50331601), (3109, 647560), (6218, 323780), (12436, 161890), (15545, 129512), (16189, 124360), (24872, 80945), (31090, 64756), (32378, 62180)]