1620128320

素因数分解:

$2^6\times 5^1\times {\mathrm{5062901}}^1$

素因数の和:5062918

約数の個数: 28

約数和(自身を含む): 3857931324

約数和(自身を除く): 2237803004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5062901, 10125802, 20251604, 25314505, 40503208, 50629010, 81006416, 101258020, 162012832, 202516040, 324025664, 405032080, 810064160, 1620128320]

約数ペア:

[(1, 1620128320), (2, 810064160), (4, 405032080), (5, 324025664), (8, 202516040), (10, 162012832), (16, 101258020), (20, 81006416), (32, 50629010), (40, 40503208), (64, 25314505), (80, 20251604), (160, 10125802), (320, 5062901)]