12553617750020

素因数分解:

$2^2\times 5^1\times {\mathrm{49193}}^1\times {\mathrm{12759557}}^1$

素因数の和:12808759

約数の個数: 24

約数和(自身を含む): 26363135242584

約数和(自身を除く): 13809517492564

約数列:

[1, 2, 4, 5, 10, 20, 49193, 98386, 196772, 245965, 491930, 983860, 12759557, 25519114, 51038228, 63797785, 127595570, 255191140, 627680887501, 1255361775002, 2510723550004, 3138404437505, 6276808875010, 12553617750020]

約数ペア:

[(1, 12553617750020), (2, 6276808875010), (4, 3138404437505), (5, 2510723550004), (10, 1255361775002), (20, 627680887501), (49193, 255191140), (98386, 127595570), (196772, 63797785), (245965, 51038228), (491930, 25519114), (983860, 12759557)]