13297040

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 31069440

約数和(自身を除く): 17772400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 479, 694, 958, 1388, 1735, 1916, 2395, 2776, 3470, 3832, 4790, 5552, 6940, 7664, 9580, 13880, 19160, 27760, 38320, 166213, 332426, 664852, 831065, 1329704, 1662130, 2659408, 3324260, 6648520, 13297040]

約数ペア:

[(1, 13297040), (2, 6648520), (4, 3324260), (5, 2659408), (8, 1662130), (10, 1329704), (16, 831065), (20, 664852), (40, 332426), (80, 166213), (347, 38320), (479, 27760), (694, 19160), (958, 13880), (1388, 9580), (1735, 7664), (1916, 6940), (2395, 5552), (2776, 4790), (3470, 3832)]