260048020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{50593}}^1$

素因数の和:50859

約数の個数: 24

約数和(自身を含む): 548236584

約数和(自身を除く): 288188564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 50593, 101186, 202372, 252965, 505930, 1011860, 13002401, 26004802, 52009604, 65012005, 130024010, 260048020]

約数ペア:

[(1, 260048020), (2, 130024010), (4, 65012005), (5, 52009604), (10, 26004802), (20, 13002401), (257, 1011860), (514, 505930), (1028, 252965), (1285, 202372), (2570, 101186), (5140, 50593)]