6451520

素因数分解:

$2^6\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20178

約数の個数: 28

約数和(自身を含む): 15363444

約数和(自身を除く): 8911924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20161, 40322, 80644, 100805, 161288, 201610, 322576, 403220, 645152, 806440, 1290304, 1612880, 3225760, 6451520]

約数ペア:

[(1, 6451520), (2, 3225760), (4, 1612880), (5, 1290304), (8, 806440), (10, 645152), (16, 403220), (20, 322576), (32, 201610), (40, 161288), (64, 100805), (80, 80644), (160, 40322), (320, 20161)]