208059520

素因数分解:

$2^7\times 5^1\times {\mathrm{325093}}^1$

素因数の和:325112

約数の個数: 32

約数和(自身を含む): 497393820

約数和(自身を除く): 289334300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 325093, 650186, 1300372, 1625465, 2600744, 3250930, 5201488, 6501860, 10402976, 13003720, 20805952, 26007440, 41611904, 52014880, 104029760, 208059520]

約数ペア:

[(1, 208059520), (2, 104029760), (4, 52014880), (5, 41611904), (8, 26007440), (10, 20805952), (16, 13003720), (20, 10402976), (32, 6501860), (40, 5201488), (64, 3250930), (80, 2600744), (128, 1625465), (160, 1300372), (320, 650186), (640, 325093)]