13156968280

素因数分解:

$2^3\times 5^1\times {\mathrm{328924207}}^1$

素因数の和:328924218

約数の個数: 16

約数和(自身を含む): 29603178720

約数和(自身を除く): 16446210440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 328924207, 657848414, 1315696828, 1644621035, 2631393656, 3289242070, 6578484140, 13156968280]

約数ペア:

[(1, 13156968280), (2, 6578484140), (4, 3289242070), (5, 2631393656), (8, 1644621035), (10, 1315696828), (20, 657848414), (40, 328924207)]