208031480

素因数分解:

$2^3\times 5^1\times {\mathrm{5200787}}^1$

素因数の和:5200798

約数の個数: 16

約数和(自身を含む): 468070920

約数和(自身を除く): 260039440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5200787, 10401574, 20803148, 26003935, 41606296, 52007870, 104015740, 208031480]

約数ペア:

[(1, 208031480), (2, 104015740), (4, 52007870), (5, 41606296), (8, 26003935), (10, 20803148), (20, 10401574), (40, 5200787)]