13158520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1051}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 29729520

約数和(自身を除く): 16571000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1051, 1252, 1565, 2102, 2504, 3130, 4204, 5255, 6260, 8408, 10510, 12520, 21020, 42040, 328963, 657926, 1315852, 1644815, 2631704, 3289630, 6579260, 13158520]

約数ペア:

[(1, 13158520), (2, 6579260), (4, 3289630), (5, 2631704), (8, 1644815), (10, 1315852), (20, 657926), (40, 328963), (313, 42040), (626, 21020), (1051, 12520), (1252, 10510), (1565, 8408), (2102, 6260), (2504, 5255), (3130, 4204)]