200091520

素因数分解:

$2^7\times 5^1\times {\mathrm{312643}}^1$

素因数の和:312662

約数の個数: 32

約数和(自身を含む): 478345320

約数和(自身を除く): 278253800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 312643, 625286, 1250572, 1563215, 2501144, 3126430, 5002288, 6252860, 10004576, 12505720, 20009152, 25011440, 40018304, 50022880, 100045760, 200091520]

約数ペア:

[(1, 200091520), (2, 100045760), (4, 50022880), (5, 40018304), (8, 25011440), (10, 20009152), (16, 12505720), (20, 10004576), (32, 6252860), (40, 5002288), (64, 3126430), (80, 2501144), (128, 1563215), (160, 1250572), (320, 625286), (640, 312643)]