15392920

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1109}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 34765200

約数和(自身を除く): 19372280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1109, 1388, 1735, 2218, 2776, 3470, 4436, 5545, 6940, 8872, 11090, 13880, 22180, 44360, 384823, 769646, 1539292, 1924115, 3078584, 3848230, 7696460, 15392920]

約数ペア:

[(1, 15392920), (2, 7696460), (4, 3848230), (5, 3078584), (8, 1924115), (10, 1539292), (20, 769646), (40, 384823), (347, 44360), (694, 22180), (1109, 13880), (1388, 11090), (1735, 8872), (2218, 6940), (2776, 5545), (3470, 4436)]