1612880

素因数分解:

$2^4\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20174

約数の個数: 20

約数和(自身を含む): 3750132

約数和(自身を除く): 2137252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20161, 40322, 80644, 100805, 161288, 201610, 322576, 403220, 806440, 1612880]

約数ペア:

[(1, 1612880), (2, 806440), (4, 403220), (5, 322576), (8, 201610), (10, 161288), (16, 100805), (20, 80644), (40, 40322), (80, 20161)]