208067840

素因数分解:

$2^8\times 5^1\times {\mathrm{162553}}^1$

素因数の和:162574

約数の個数: 36

約数和(自身を含む): 498390564

約数和(自身を除く): 290322724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 162553, 325106, 650212, 812765, 1300424, 1625530, 2600848, 3251060, 5201696, 6502120, 10403392, 13004240, 20806784, 26008480, 41613568, 52016960, 104033920, 208067840]

約数ペア:

[(1, 208067840), (2, 104033920), (4, 52016960), (5, 41613568), (8, 26008480), (10, 20806784), (16, 13004240), (20, 10403392), (32, 6502120), (40, 5201696), (64, 3251060), (80, 2600848), (128, 1625530), (160, 1300424), (256, 812765), (320, 650212), (640, 325106), (1280, 162553)]