1296403480

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{20143}}^1$

素因数の和:21763

約数の個数: 32

約数和(自身を含む): 2918865600

約数和(自身を除く): 1622462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6436, 8045, 12872, 16090, 20143, 32180, 40286, 64360, 80572, 100715, 161144, 201430, 402860, 805720, 32410087, 64820174, 129640348, 162050435, 259280696, 324100870, 648201740, 1296403480]

約数ペア:

[(1, 1296403480), (2, 648201740), (4, 324100870), (5, 259280696), (8, 162050435), (10, 129640348), (20, 64820174), (40, 32410087), (1609, 805720), (3218, 402860), (6436, 201430), (8045, 161144), (12872, 100715), (16090, 80572), (20143, 64360), (32180, 40286)]