2800016

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1406

約数の個数: 20

約数和(自身を含む): 5468400

約数和(自身を除く): 2668384

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 1259, 2224, 2518, 5036, 10072, 20144, 175001, 350002, 700004, 1400008, 2800016]

約数ペア:

[(1, 2800016), (2, 1400008), (4, 700004), (8, 350002), (16, 175001), (139, 20144), (278, 10072), (556, 5036), (1112, 2518), (1259, 2224)]