8321872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{40009}}^1$

素因数の和:40030

約数の個数: 20

約数和(自身を含む): 17364340

約数和(自身を除く): 9042468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 40009, 80018, 160036, 320072, 520117, 640144, 1040234, 2080468, 4160936, 8321872]

約数ペア:

[(1, 8321872), (2, 4160936), (4, 2080468), (8, 1040234), (13, 640144), (16, 520117), (26, 320072), (52, 160036), (104, 80018), (208, 40009)]