16155980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7411}}^1$

素因数の和:7529

約数の個数: 24

約数和(自身を含む): 34243440

約数和(自身を除く): 18087460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7411, 14822, 29644, 37055, 74110, 148220, 807799, 1615598, 3231196, 4038995, 8077990, 16155980]

約数ペア:

[(1, 16155980), (2, 8077990), (4, 4038995), (5, 3231196), (10, 1615598), (20, 807799), (109, 148220), (218, 74110), (436, 37055), (545, 29644), (1090, 14822), (2180, 7411)]